Comparison of Taiwanese and European Calibration Factors for Heart-to-Mediastinum Ratio in Multicenter (123)I-mIBG Phantom Studies.

Okuda K, Nakajima K, Hung GU, Wu HT, Verschure DO, Verberne HJ, Kitamura C

Annals of nuclear cardiology   9 ( 1 )   54 - 60   2023

[Trends and Future Prospects of AI Technology Utilization Research in JSRT　 -Challenges to Tackle and the Expected Role of Our Academic Society !?].

Kawashita I, Hayashi N, Tominaga M, Fujibuchi T, Magome T, Yagahara A, Okuda K, Shinohara N

Nihon Hoshasen Gijutsu Gakkai zasshi   79 ( 8 )   838 - 850   2023

心臓専用半導体検出器ガンマカメラの再構成法が虚血診断能に与える影響について

米山 寛人, 中嶋 憲一, 小西 貴広, 奥田 光一, 澁谷 孝行, 小野口 昌久

核医学技術   42 ( 予稿集 )   346 - 346   2022.8

Beads phantom for evaluating heterogeneity of SUV on 18F-FDG PET images.

Koichi Okuda, Hisahiro Saito, Shozo Yamashita, Haruki Yamamoto, Hajime Ichikawa, Toyohiro Kato, Kunihiko Yokoyama, Mariko Doai, Mitsumasa Hashimoto, Munetaka Matoba

Annals of nuclear medicine   36 ( 5 )   495 - 503   2022.5

心臓専用半導体検出器ガンマカメラと3検出器型ガンマカメラの虚血診断能の比較 冠動脈造影の結果との比較

米山 寛人, 中嶋 憲一, 小西 貴広, 奥田 光一, 澁谷 孝行, 小野口 昌久

日本心臓核医学会ニュースレター   24 ( 2 )   95 - 95   2022.5

心臓専用半導体検出器ガンマカメラと3検出器型ガンマカメラの虚血診断能の比較 心筋ファントムによる検証

米山 寛人, 中嶋 憲一, 小西 貴広, 奥田 光一, 澁谷 孝行, 小野口 昌久

日本心臓核医学会ニュースレター   24 ( 2 )   94 - 94   2022.5

Should Artifacts of the Inferior Wall Be Reduced Using Image Processing?

Koichi Okuda, Kenichi Nakajima, Takayuki Shibutani

Annals of nuclear cardiology   8 ( 1 )   4 - 6   2022

Normal and Range Value Evaluations Using Heart Risk View-Function Based on the Japanese Societyof Nuclear Medicine Working Group Database.

Kosuke Tatsuno, Koichi Okuda, Kenichi Nakajima, Hisahiro Saito, Takayuki Shibutani, Masahisa Onoguchi, Tomoko Takahashi, Takafumi Mochizuki, Naoto Watanabe, Munetaka Matoba

Annals of nuclear cardiology   8 ( 1 )   51 - 56   2022

Clinical Validation of Japanese Normal Myocardial Perfusion Imaging Databases Using Semi-conductor Gamma Camera (D-SPECT): Japanese Society of Nuclear Cardiology Working Group Reports.

Matsumoto N, Sugai S, Suzuki Y, Iguchi N, Nanasato M, Kiso K, Taniguchi Y, Yoneyama T, Okuda K, Nakajima K

Annals of nuclear cardiology   8 ( 1 )   36 - 41   2022

[[Nuclear Medicine] 6. Digital Phantoms for Nuclear Medicine].

Okuda K

Nihon Hoshasen Gijutsu Gakkai zasshi   78 ( 8 )   871 - 875   2022

The utility of heart-to-mediastinum ratio using a planar image created from IQ-SPECT with Iodine-123 meta-iodobenzylguanidine.

Takayuki Shibutani, Kenichi Nakajima, Hiroto Yoneyama, Takahiro Konishi, Koichi Okuda, Masahisa Onoguchi, Seigo Kinuya

Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology   28 ( 6 )   2569 - 2577   2021.12

Validation of Simulation Codes for Nuclear Imaging Using Digital Phantoms

奥田光一, 野坂広樹, 伊東利宗, 松友紀和, 市川肇, 白川誠士, 山木範泰, 菊池明泰, 對間博之, LJUNGBERG Michael

日本放射線技術学会雑誌   77(1) ( 1 )   41 - 47   2021.12

心臓専用半導体検出器ガンマカメラと3検出器型ガンマカメラの虚血診断能の比較 冠動脈造影の結果との比較

米山 寛人, 中嶋 憲一, 小西 貴広, 奥田 光一, 澁谷 孝行, 小野口 昌久

核医学技術   41 ( 予稿集 )   399 - 399   2021.10

骨シンチグラフィにおける投与量の違いが読影医の視覚評価に与える影響

米山 寛人, 中嶋 憲一, 小西 貴広, 奥田 光一, 澁谷 孝行, 小野口 昌久

核医学技術   41 ( 予稿集 )   416 - 416   2021.10

Olfactory Neuronal Damage in Central Neurological Disorders and Post-Upper Respiratory Infection Hyposmia

Shiga Hideaki, Okuda Koichi, Taki Junichi, Watanabe Naoto, Tonami Hisao, Kinuya Seigo, Miwa Takaki

CHEMICAL SENSES   46   2021.9

Verification of phantom accuracy using a Monte Carlo simulation: bone scintigraphy chest phantom

Toshimune Ito, Hirotatsu Tsuchikame, Hajime Ichikawa, Masahisa Onoguchi, Koichi Okuda, Takayuki Shibutani, Noriyo Yokotsuka, Hiroshi Tomizawa

Radiological Physics and Technology   14 ( 3 )   336 - 344   2021.9

Comparison of Myocardial Ischemia Detection Between Semiconductor and Conventional Anger-type Three-detector SPECT

Yoneyama Hiroto, Nakajima Kenichi, Taki Junichi, Wakabayashi Hiroshi, Konishi Takahiro, Shibutani Takayuki, Okuda Koichi, Onoguchi Masahisa

Annals of Nuclear Cardiology   7 ( 1 )   49 - 56   2021.8

What does diagnostic threshold mean? Deterministic and probabilistic considerations

Nakajima K, Okuda K, Komatsu J

J Nucl Cardiol   28 ( 4 )   1702 - 1706   2021.8

Demystifying dyssynchrony for diagnosis and prognosis: Tips for measuring heterogeneous phase distribution

Nakajima K, Okuda K, Maruyama K

J Nucl Cardiol   28 ( 3 )   1064 - 1067   2021.6

123I-MIBGの心縦隔比の標準化 : 15年間の取組みと今後の展望

奥田光一,中嶋憲一,北村千枝美

Rad fan   19 ( 6 )   24 - 28   2021.4

Texture Feature Comparison Between Step-and-Shoot and Continuous-Bed-Motion 18F-FDG PET.

Shozo Yamashita, Koichi Okuda, Tetsu Nakaichi, Haruki Yamamoto, Kunihiko Yokoyama

Journal of nuclear medicine technology   49 ( 1 )   58 - 64   2021.3

Metal artifact reduction for improving quantitative SPECT/CT imaging.

Takahiro Konishi, Takayuki Shibutani, Koichi Okuda, Hiroto Yoneyama, Riku Moribe, Masahisa Onoguchi, Kenichi Nakajima, Seigo Kinuya

Annals of nuclear medicine   35 ( 3 )   291 - 298   2021.3

Experimental evaluation of the GE NM/CT 870 CZT clinical SPECT system equipped with WEHR and MEHRS collimator.

Toshimune Ito, Yohji Matsusaka, Masahisa Onoguchi, Hajime Ichikawa, Koichi Okuda, Takayuki Shibutani, Masaaki Shishido, Kozo Sato

Journal of applied clinical medical physics   22 ( 2 )   165 - 177   2021.2

What does entropy reveal in phase analysis of myocardial perfusion SPECT?

Okuda K, Nakajima K.

Journal of Nuclear Cardiology   28 ( 1 )   172 - 174   2021.2

Current state of oncologic 18F-FDG PET/CT in Japan: A nationwide survey.

Hajime Ichikawa, Toyohiro Kato, Kenta Miwa, Takayuki Shibutani, Koichi Okuda, Akio Nagaki, Hiroyuki Tsushima, Masahisa Onoguchi

Asia Oceania journal of nuclear medicine & biology   9 ( 2 )   158 - 166   2021

Validation of Simulation Codes for Nuclear Imaging Using Digital Phantoms

Okuda Koichi, Nosaka Hiroki, Ito Toshimune, Matsutomo Norikazu, Ichikawa Hajime, Shirakawa Seiji, Yamaki Noriyasu, Kikuchi Akihiro, Tsushima Hiroyuki, Ljungberg Michael

Japanese Journal of Radiological Technology   77 ( 1 )   41 - 47   2021

Calibrated scintigraphic imaging procedures improve quantitative assessment of the cardiac sympathetic nerve activity

Koichi Okuda, Kenichi Nakajima, Chiemi Kitamura, Yumiko Kirihara, Mitsumasa Hashimoto, Seigo Kinuya

Scientific reports   10 ( 1 )   21834 - 21834   2020.12

モンテカルロシミュレーションによるファントム精度検証 骨SPECT評価用ファントム

伊東 利宗, 小野口 昌久, 市川 肇, 奥田 光一, 菊池 明泰, 澁谷 孝行, 宍戸 正明, 土亀 弘達, 前野 貴史

核医学技術   40 ( 予稿集 )   347 - 347   2020.10

骨シンチグラフィにおけるSwiftScan planar処理パラメータと撮像時間の違いが骨シンチ診断支援ソフトの定量値に与える影響

米山 寛人, 中嶋 憲一, 小西 貴広, 奥田 光一, 澁谷 孝行, 小野口 昌久

核医学技術   40 ( 予稿集 )   360 - 360   2020.10

心臓専用半導体検出器ガンマカメラと3検出器ガンマカメラの虚血診断能の比較 心筋ファントムによる検証

米山 寛人, 中嶋 憲一, 小西 貴広, 奥田 光一, 澁谷 孝行, 小野口 昌久

核医学技術   40 ( 予稿集 )   345 - 345   2020.10

Has the era of dual-gated myocardial perfusion SPECT and PET arrived?

Koichi Okuda, Kenichi Nakajima

Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology   27 ( 2 )   648 - 650   2020.4

Imaging technology for myocardial perfusion single-photon emission computed tomography 2018 in Japan.

Takayuki Shibutani, Koichi Okuda, Hajime Ichikawa, Toyohiro Kato, Kenta Miwa, Hiroyuki Tsushima, Masahisa Onoguchi, Akio Nagaki

Japanese journal of radiology   38 ( 3 )   274 - 282   2020.3

Study of novel deformable image registration in myocardial perfusion single-photon emission computed tomography.

Toshimune Ito, Masahisa Onoguchi, Koichi Okuda, Takayuki Shibutani

Nuclear medicine communications   41 ( 3 )   196 - 205   2020.3

国内の核医学検査における追加撮像の実態調査

加藤 豊大, 市川 肇, 三輪 建太, 奥田 光一, 澁谷 孝行, 長木 昭男, 對間 博之

日本放射線技術学会雑誌   76 ( 3 )   285 - 294   2020.3

Serial examination of cardiac function and perfusion in growing rats using SPECT/CT for small animals.

Tomo Hiromasa, Junichi Taki, Hiroshi Wakabayashi, Anri Inaki, Koichi Okuda, Takayuki Shibutani, Kazuhiro Shiba, Seigo Kinuya

Scientific reports   10 ( 1 )   160 - 160   2020.1

Serial examination of cardiac function and perfusion in growing rats using SPECT/CT for small animals

Hiromasa Tomo, Taki Junichi, Wakabayashi Hiroshi, Inaki Anri, Okuda Koichi, Shibutani Takayuki, Shiba Kazuhiro, Kinuya Seigo, 廣正 智, 瀧 淳一, 若林 大志, 稲木 杏吏, 澁谷 孝行, 柴 和弘, 絹谷 清剛

Scientific Reports   10 ( 1 )   160   2020.1

Current state of bone scintigraphy protocols and practice in Japan.

Hajime Ichikawa, Kenta Miwa, Koichi Okuda, Takayuki Shibutani, Toyohiro Kato, Akio Nagaki, Hiroyuki Tsushima, Masahisa Onoguchi

Asia Oceania journal of nuclear medicine & biology   8 ( 2 )   116 - 122   2020

Application of the Texture Analysis in Nuclear Cardiology

Okuda Koichi, Nakajima Kenichi, Yamashita Shozo, Saito Hisahiro, Hashimoto Mitsumasa

SHINZO KAKU IGAKU   22 ( 1 )   4 - 5   2020

A Nationwide Survey on Additional Scan in Nuclear Medicine Imaging

Kato Toyohiro, Ichikawa Hajime, Miwa Kenta, Okuda Koichi, Shibutani Takayuki, Nagaki Akio, Tsushima Hiroyuki

Japanese Journal of Radiological Technology   76 ( 3 )   285 - 294   2020

Impact of iterative reconstruction with resolution recovery in myocardial perfusion SPECT: phantom and clinical studies.

Koichi Okuda, Kenichi Nakajima, Hiroto Yoneyama, Takayuki Shibutani, Masahisa Onoguchi, Shinro Matsuo, Mitsumasa Hashimoto, Seigo Kinuya

Scientific reports   9 ( 1 )   19618 - 19618   2019.12

Preliminary quantitative evaluation of radiation-induced DNA damage in peripheral blood lymphocytes after cardiac dual-isotope imaging

Koichi Okuda, Naoto Watanabe, Mitsumasa Hashimoto, Mariko Doai, Yasuyuki Kawai, Tomoko Takahashi, Tomohiro Arikawa, Kazumasa Ooiso, Yumi Sunatani, Kuniyoshi Iwabuchi, Koji Kajinami, Munetaka Matoba

Applied Radiation and Isotopes   154   108890 - 108890   2019.12

Nasal thallium-201 uptake in patients with parosmia with and without hyposmia after upper respiratory tract infection.

Shiga H, Okuda K, Taki J, Watanabe N, Tonami H, Kinuya S, Miwa T

International forum of allergy & rhinology   9 ( 11 )   1252 - 1256   2019.11

Ability of artificial intelligence to diagnose coronary artery stenosis using hybrid images of coronary computed tomography angiography and myocardial perfusion SPECT

Yoneyama H., Nakajima K., Taki J., Wakabayashi H., Konishi T., Okuda K., Shiburani T., Onoguchi M., Kinuya S.

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   46 ( SUPPL 1 )   S103 - S104   2019.10

The effect of metal artifact reduction on quantitative SPECT/CT imaging

Konishi T., Shibutani T., Okuda K., Yoneyama H., Moribe R., Onoguchi M., Nakajima K., Kinuya S.

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   46 ( SUPPL 1 )   S873 - S873   2019.10

Quantitative accuracy of standardized uptake value (SUV) for xSPECT Bone technology using new supine phantom

Shibutani T., Onoguchi M., Konishi T., Yoneyama H., Ichikawa H., Okuda K., Nakajima K.

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   46 ( SUPPL 1 )   S878 - S878   2019.10

核医学研究におけるシミュレーション実験ディジタルファントムを使用したシミュレーションの精度比較

奥田 光一, 野坂 広樹, 伊東 利宗, 白川 誠士, 市川 肇, 松友 紀和, 菊池 明泰

日本放射線技術学会雑誌   75 ( 9 )   1071 - 1071   2019.9

Prognostic Value of Early Evaluation of Left Ventricular Dyssynchrony After Myocardial Infarction.

Wakabayashi H, Taki J, Inaki A, Hiromasa T, Yamase T, Akatani N, Okuda K, Shibutani T, Shiba K, Kinuya S

Molecular imaging and biology : MIB : the official publication of the Academy of Molecular Imaging   21 ( 4 )   654 - 659   2019.8

"Deformable Image Registration" New Images Registration of Myocardial Perfusion SPECT

Ito Toshimune, Onoguchi Masahisa, Okuda Koichi, Shibutani Takayuki

JOURNAL OF NUCLEAR MEDICINE   60   2019.5

Preliminary evaluation of texture analysis on myocardial pe sion SPECT a digital cardiac phantom study

Okuda Koichi, Nakajima Kenichi, Saito Hisahiro, Ito Toshimune, Kikuchi Akihiro, Yoneyama Hiroto, Shibutani Takayuki, Onoguchi Masahisa, Matsuo Shinro, Hashimoto Mitsumasa, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   60   2019.5

Preliminary evaluation of texture analysis on myocardial pe sion SPECT a digital cardiac phantom study

Okuda Koichi, Nakajima Kenichi, Saito Hisahiro, Ito Toshimune, Kikuchi Akihiro, Yoneyama Hiroto, Shibutani Takayuki, Onoguchi Masahisa, Matsuo Shinro, Hashimoto Mitsumasa, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   60   2019.5

"Deformable Image Registration" New Images Registration of Myocardial Perfusion SPECT

Ito Toshimune, Onoguchi Masahisa, Okuda Koichi, Shibutani Takayuki

JOURNAL OF NUCLEAR MEDICINE   60   2019.5

Phase dyssynchrony and (123)I-meta-iodobenzylguanidine innervation imaging towards standardization.

Nakajima K, Okuda K, Verberne HJ

Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology   26 ( 2 )   519 - 523   2019.4

Phase dyssynchrony and <SUP>123</SUP>I-meta-iodobenzylguanidine innervation imaging towards standardization

Nakajima Kenichi, Okuda Koichi, Verberne Hein J.

JOURNAL OF NUCLEAR CARDIOLOGY   26 ( 2 )   519 - 523   2019.4

Accuracy of an artificial neural network for detecting a regional abnormality in myocardial perfusion SPECT.

Shibutani Takayuki, Nakajima Kenichi, Wakabayashi Hiroshi, Mori Hiroshi, Matsuo Shinro, Yoneyama Hiroto, Konishi Takahiro, Okuda Koichi, Onoguchi Masahisa, Kinuya Seigo, 澁谷 孝行, 中嶋 憲一, 若林 大志, 松尾 信郎, 米山 寛人, 小野口 昌久, 絹谷 清剛

Annals of Nuclear Medicine   33 ( 2 )   86 - 92   2019.2

Accuracy of an artificial neural network for detecting a regional abnormality in myocardial perfusion SPECT.

Shibutani T, Nakajima K, Wakabayashi H, Mori H, Matsuo S, Yoneyama H, Konishi T, Okuda K, Onoguchi M, Kinuya S

Annals of nuclear medicine   33 ( 2 )   86 - 92   2019.2

Making the invisible visible: Phase dyssynchrony has potential as a new prognostic marker

Kenichi Nakajima, Koichi Okuda, Shinro Matsuo, Piotr Slomka

Journal of Nuclear Cardiology   26 ( 1 )   298 - 302   2019.2

シミュレーション技術の心臓核医学への展開

奥田光一, 橋本光正, 中嶋憲一

核医学技術   39   130   2019.1

10. Simulation of Nuclear Medicine Experiments Using ImageJ

Okuda Koichi, Ito Toshimune

Japanese Journal of Radiological Technology   75 ( 10 )   1205 - 1210   2019

Ability of artificial intelligence to diagnose coronary artery stenosis using hybrid images of coronary computed tomography angiography and myocardial perfusion SPECT

Yoneyama H, Nakajima K, Taki J, Wakabayashi H, Matsuo S, Konishi T, Okuda K, Shibutani T, Onoguchi M, Kinuya S

Eur J Hybrid Imaging   3 ( 1 )   4 - 4   2019

心筋シンチグラフィにおけるγH2AXを用いた末梢血リンパ球の放射線障害の評価

奥田 光一, 渡邉 直人, 橋本 光正, 道合 万里子, 河合 康幸, 高橋 知子, 有川 智博, 大磯 一誠, 砂谷 優実, 岩淵 邦芳, 梶波 康二

核医学   55 ( Suppl. )   S216 - S216   2018.11

心筋画像における深層学習を応用した心外集積除去法の基礎検討

菊池 明泰, 本間 優斗, 岡田 光騎, 川上 敬, 中嶋 憲一, 奥田 光一, 北間 正崇

核医学技術   38 ( 予稿集 )   462 - 462   2018.10

核医学検査における追加撮像の実態調査

市川 肇, 加藤 豊大, 澁谷 孝行, 奥田 光一, 三輪 建太, 長木 昭男, 對間 博之

日本放射線技術学会雑誌   74 ( 9 )   960 - 960   2018.9

A European myocardial (123)I-mIBG cross-calibration phantom study

Verschure Derk O, Poel Edwin, Nakajima Kenichi, Okuda Koichi, van Eck-Smit Berthe L F, Somsen G Aernout, Verberne Hein J

JOURNAL OF NUCLEAR CARDIOLOGY   25 ( 4 )   1191 - 1197   2018.8

Quantification of Myocardial Perfusion Defect Size in Rats: Comparison between Quantitative Perfusion SPECT and Autoradiography.

Wakabayashi H, Taki J, Inaki A, Hiromasa T, Okuda K, Shibutani T, Shiba K, Kinuya S

Molecular imaging and biology : MIB : the official publication of the Academy of Molecular Imaging   20 ( 4 )   544 - 550   2018.8

Creation and characterization of normal myocardial perfusion imaging databases using the IQ·SPECT system.

Okuda K, Nakajima K, Matsuo S, Kondo C, Sarai M, Horiguchi Y, Konishi T, Onoguchi M, Shimizu T, Kinuya S

Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology   25 ( 4 )   1328 - 1337   2018.8

A European myocardial <SUP>123</SUP>I-<i>m</i>IBG cross-calibration phantom study

Verschure Derk O., Poel Edwin, Nakajima Kenichi, Okuda Koichi, van Eck-Smit Berthe L. F., Somsen G. Aernout, Verberne Hein J.

JOURNAL OF NUCLEAR CARDIOLOGY   25 ( 4 )   1191 - 1197   2018.8

Artificial neural network retrained to detect myocardial ischemia using a Japanese multicenter database.

Nakajima K, Okuda K, Watanabe S, Matsuo S, Kinuya S, Toth K, Edenbrandt L

Annals of nuclear medicine   32 ( 5 )   303 - 310   2018.6

The impact of myocardial counts and cardiac frames on phase analysis of gated myocardial perfusion SPECT

Tatami Ringo, Onoguchi Masahisa, Shibutani Takayuki, Yoneyama Hiroto, Okuda Koichi, Nakajima Kenichi

JOURNAL OF NUCLEAR MEDICINE   59   2018.5

The impact of myocardial counts and cardiac frames on phase analysis of gated myocardial perfusion SPECT

Tatami Ringo, Onoguchi Masahisa, Shibutani Takayuki, Yoneyama Hiroto, Okuda Koichi, Nakajima Kenichi

JOURNAL OF NUCLEAR MEDICINE   59   2018.5

Correlation of nasal thallium migration to olfactory bulb and olfactory bulb volume in patients with olfactory impairment after upper respiratory infection

Shiga Hideaki, Taki Junichi, Okuda Koichi, Watanabe Naoto, Tonami Hisao, Kinuya Seigo, Miwa Takaki

CHEMICAL SENSES   43 ( 4 )   E54 - E54   2018.5

Correlation of nasal thallium migration to olfactory bulb and olfactory bulb volume in patients with olfactory impairment after upper respiratory infection

Hideaki Shiga, Junichi Taki, Koichi Okuda, Naoto Watanabe, Hisao Tonami, Seigo Kinuya, Takaki Miwa

CHEMICAL SENSES   43 ( 4 )   E54 - E54   2018.5

Is ¹²³I-metaiodobenzylguanidine heart-to-mediastinum ratio dependent on age? From Japanese Society of Nuclear Medicine normal database.

Nakajima K, Okuda K, Matsuo S, Wakabayashi H, Kinuya S

Annals of nuclear medicine   32 ( 3 )   175 - 181   2018.4

オルファクトシンチによる嗅覚障害の予後診断

32   67 - 68   2018.4

Influence of ROI definition on the heart-to-mediastinum ratio in planar <SUP>123</SUP>I-MIBG imaging

Klene Christiane, Jungen Christiane, Okuda Koichi, Kobayashi Yuske, Helberg Annabelle, Mester Janos, Meyer Christian, Nakajima Kenichi

JOURNAL OF NUCLEAR CARDIOLOGY   25 ( 1 )   208 - 216   2018.2

A European myocardial (123)I-mIBG cross-calibration phantom study

Verschure Derk O, Poel Edwin, Nakajima Kenichi, Okuda Koichi, van Eck-Smit Berthe L F, Somsen G Aernout, Verberne Hein J

Journal of nuclear cardiology   *   *   2018

IQ・SPECTによる心臓核医学 (全文)

2018   1 - 20   2018

Evaluation of left ventricular dyssynchrony by phase analysis in gated myocardial perfusion SPECT: Comparison of four software programs

Okuda, Koichi, Nakajima, Kenichi, Matsuo, Shinro, Soichiro, Kashiwaya, Yoneyama, Hiroto, Shibutani, Takayuki, Onoguchi, Masahisa, Hashimoto, Mitsumasa, Kinuya, Seigo

JOURNAL OF NUCLEAR MEDICINE   58   *   2018

Ability of the prognostic model of J-ACCESS study to predict cardiac events in a clinical setting: The APPROACH study

Aburadani Isao, Usuda Kazuo, Sumiya Hisashi, Sakagami Satoru, Kiyokawa Hiroaki, Matsuo Shinro, Takamura Masayuki, Murai Hisayoshi, Takashima Shinichiro, Kitano Teppei, Okuda Koichi, Nakajima Kenichi

JOURNAL OF CARDIOLOGY   72 ( 1-2 )   81 - 86   2018

Diagnostic accuracy of an artificial neural network compared with statistical quantitation of myocardial perfusion images: a Japanese multicenter study

Kenichi Nakajima, Takashi Kudo, Tomoaki Nakata, Keisuke Kiso, Tokuo Kasai, Yasuyo Taniguchi, Shinro Matsuo, Mitsuru Momose, Masayasu Nakagawa, Masayoshi Sarai, Satoshi Hida, Hirokazu Tanaka, Kunihiko Yokoyama, Koichi Okuda, Lars Edenbrandt

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   44 ( 13 )   2280 - 2289   2017.12

Diagnostic accuracy of an artificial neural network compared with statistical quantitation of myocardial perfusion images: a Japanese multicenter study.

Nakajima K, Kudo T, Nakata T, Kiso K, Kasai T, Taniguchi Y, Matsuo S, Momose M, Nakagawa M, Sarai M, Hida S, Tanaka H, Yokoyama K, Okuda K, Edenbrandt L

European journal of nuclear medicine and molecular imaging   44 ( 13 )   2280 - 2289   2017.12

Diagnostic accuracy of an artificial neural network compared with statistical quantitation of myocardial perfusion images: a Japanese multicenter study.

Kenichi Nakajima, Takashi Kudo, Tomoaki Nakata, Keisuke Kiso, Tokuo Kasai, Yasuyo Taniguchi, Shinro Matsuo, Mitsuru Momose, Masayasu Nakagawa, Masayoshi Sarai, Satoshi Hida, Hirokazu Tanaka, Kunihiko Yokoyama, Koichi Okuda, Lars Edenbrandt

European journal of nuclear medicine and molecular imaging   44 ( 13 )   2280 - 2289   2017.12

Diagnostic accuracy of an artificial neural network compared with statistical quantitation of myocardial perfusion images: a Japanese multicenter study

Nakajima Kenichi, Kudo Takashi, Nakata Tomoaki, Kiso Keisuke, Kasai Tokuo, Taniguchi Yasuyo, Matsuo Shinro, Momose Mitsuru, Nakagawa Masayasu, Sarai Masayoshi, Hida Satoshi, Tanaka Hirokazu, Yokoyama Kunihiko, Okuda Koichi, Edenbrandt Lars

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   44 ( 13 )   2280 - 2289   2017.12

IQ·SPECT technology and its clinical applications using multicenter normal databases.

Nakajima K, Okuda K, Momose M, Matsuo S, Kondo C, Sarai M, Shibutani T, Onoguchi M, Shimizu T, Vija AH

Annals of nuclear medicine   31 ( 9 )   649 - 659   2017.11

Cross calibration of¹²³I-meta-iodobenzylguanidine heart-to-mediastinum ratio with D-SPECT planogram and Anger camera

Nakajima, K., Okuda, K., Yokoyama, K., Yoneyama, T., Tsuji, S., Oda, H., Yoshita, M., Kubota, K.

Annals of Nuclear Medicine   31 ( 8 )   605 - 615   2017.10

The quantitative SPECT/CT scoring of MIBG cardiac scintigraphy to identify patients with Lewy body diseases

Matsuo S., Wakabayashi H., Nakajima K., Okuda K., Yoneyama H., Kinuya S.

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   44   S439 - S440   2017.10

Phase dyssynchrony and 123I-meta-iodobenzylguanidine innervation imaging towards standardization

Kenichi Nakajima, Koichi Okuda, Hein J. Verberne

Journal of Nuclear Cardiology   *   1 - 5   2017.9

Phase dyssynchrony and ¹²³I-meta-iodobenzylguanidine innervation imaging towards standardization.

Nakajima K, Okuda K, Verberne HJ

Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology   2017.9

Validation of Left Ventricular Ejection Fraction with the IQ•SPECT System in Small-Heart Patients.

Yoneyama H, Shibutani T, Konishi T, Mizutani A, Hashimoto R, Onoguchi M, Okuda K, Matsuo S, Nakajima K, Kinuya S

Journal of nuclear medicine technology   45 ( 3 )   201 - 207   2017.9

Validation of Left Ventricular Ejection Fraction with the IQ•SPECT System in Small-Heart Patients.

Yoneyama H, Shibutani T, Konishi T, Mizutani A, Hashimoto R, Onoguchi M, Okuda K, Matsuo S, Nakajima K, Kinuya S

Journal of nuclear medicine technology   45 ( 3 )   201 - 207   2017.9

Reducing the small-heart effect in pediatric gated myocardial perfusion single-photon emission computed tomography

Yoneyama Hiroto, Nakajima Kenichi, Okuda Koichi, Matsuo Shinro, Onoguchi Masahisa, Kinuya Seigo, Edenbrandt Lars

Journal of Nuclear Cardiology   24 ( 4 )   1378 - 1388   2017.8

Reducing the small-heart effect in pediatric gated myocardial perfusion single-photon emission computed tomography

Hiroto Yoneyama, Kenichi Nakajima, Koichi Okuda, Shinro Matsuo, Masahisa Onoguchi, Seigo Kinuya, Lars Edenbrandt

JOURNAL OF NUCLEAR CARDIOLOGY   24 ( 4 )   1378 - 1388   2017.8

IQ-SPECT for thallium-201 myocardial perfusion imaging: effect of normal databases on quantification

Konishi Takahiro, Nakajima Kenichi, Okuda Koichi, Yoneyama Hiroto, Matsuo Shinro, Shibutani Takayuki, Onoguchi Masahisa, Kinuya Seigo

ANNALS OF NUCLEAR MEDICINE   31 ( 6 )   454 - 461   2017.7

IQ-SPECT for thallium-201 myocardial perfusion imaging: effect of normal databases on quantification.

Konishi T, Nakajima K, Okuda K, Yoneyama H, Matsuo S, Shibutani T, Onoguchi M, Kinuya S

Annals of nuclear medicine   31 ( 6 )   454 - 461   2017.7

IQ-SPECT for thallium-201 myocardial perfusion imaging: effect of normal databases on quantification.

Konishi T, Nakajima K, Okuda K, Yoneyama H, Matsuo S, Shibutani T, Onoguchi M, Kinuya S

Annals of nuclear medicine   31 ( 6 )   454 - 461   2017.7

Prognostic value of olfactory nerve damage measured with thallium-based olfactory imaging in patients with idiopathic olfactory dysfunction

Hideaki Shiga, Junichi Taki, Koichi Okuda, Naoto Watanabe, Hisao Tonami, Hideaki Nakagawa, Seigo Kinuya, Takaki Miwa

SCIENTIFIC REPORTS   7 ( 1 )   1   2017.6

Standardization of 123I-meta-iodobenzylguanidine myocardial sympathetic activity imaging: phantom calibration and clinical applications

Kenichi Nakajima, Derk O. Verschure, Koichi Okuda, Hein J. Verberne

Clinical and Translational Imaging   5 ( 3 )   255 - 263   2017.6

Evaluation of left ventricular dyssynchrony by phase analysis in gated myocardial perfusion SPECT: Comparison of four software programs

Okuda Koichi, Nakajima Kenichi, Matsuo Shinro, Soichiro Kashiwaya, Yoneyama Hiroto, Shibutani Takayuki, Onoguchi Masahisa, Hashimoto Mitsumasa, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   58   2017.5

Evaluation of left ventricular dyssynchrony by phase analysis in gated myocardial perfusion SPECT: Comparison of four software programs

Koichi Okuda, Kenichi Nakajima, Shinro Matsuo, Kashiwaya Soichiro, Hiroto Yoneyama, Takayuki Shibutani, Masahisa Onoguchi, Mitsumasa Hashimoto, Seigo Kinuya

JOURNAL OF NUCLEAR MEDICINE   58   2017.5

Comparison of phase dyssynchrony analysis using gated myocardial perfusion imaging with four software programs: Based on the Japanese Society of Nuclear Medicine working group normal database

Kenichi Nakajima, Koichi Okuda, Shinro Matsuo, Keisuke Kiso, Seigo Kinuya, Ernest V. Garcia

JOURNAL OF NUCLEAR CARDIOLOGY   24 ( 2 )   611 - 621   2017.4

Comparison of diagnostic performance of four software packages for phase dyssynchrony analysis in gated myocardial perfusion SPECT

Koichi Okuda, Kenichi Nakajima, Shinro Matsuo, Soichiro Kashiwaya, Hiroto Yoneyama, Takayuki Shibutani, Masahisa Onoguchi, Mitsumasa Hashimoto, Seigo Kinuya

EJNMMI RESEARCH   7 ( 27 )   - - -   2017.3

総合人間科学 放射線生物学 実習「染色体標本の作製及び放射線照射による染色体構造異常の観察」を通して学ぶ細胞生物学

44   39 - 48   2017.2

総合人間科学 放射線生物学入門について

44   33 - 38   2017.2

123I-meta-iodobenzylguanidine Sympathetic Nerve Function Indices Derived from Planar Images

Kenichi Nakajima, Koichi Okuda

Annals of Nuclear Cardiology   3 ( 1 )   200 - 202   2017

Validation of the Left Ventricular Ejection Fraction with the IQ•SPECT System in Small-Heart Patients.

Yoneyama Hiroto, Shibutani Takayuki, Konishi Takahiro, Mizutani Asuka, Hashimoto Ryosuke, Onoguchi Masahisa, Okuda Koichi, Matsuo Shinro, Nakajima Kenichi, Kinuya Seigo

Journal of nuclear medicine technology   45 ( 3 )   *   2017

Normal Values and Gender Differences of Left Ventricular Functional Parameters with CardioREPO Software

Okuda Koichi, Nakajima Kenichi

Annals of Nuclear Cardiology   3 ( 1 )   29 - 33   2017

Modulation of Unfolded Protein Response by Methylmercury.

Hiraoka H, Nakahara K, Kaneko Y, Akiyama S, Okuda K, Iwawaki T, Fujimura M, Kumagai Y, Takasugi N, Uehara T

Biological & pharmaceutical bulletin   40 ( 9 )   1595 - 1598   2017

IQ-SPECT for thallium-201 myocardial perfusion imaging: effect of normal databases on quantification.

Konishi Takahiro, Nakajima Kenichi, Okuda Koichi, Yoneyama Hiroto, Matsuo Shinro, Shibutani Takayuki, Onoguchi Masahisa, Kinuya Seigo

Annals of nuclear medicine   31 ( 6 )   454 - 461   2017

¹²³I-<I>meta</I>-iodobenzylguanidine Sympathetic Nerve Function Indices Derived from Planar Images

Nakajima Kenichi, Okuda Koichi

Annals of Nuclear Cardiology   3 ( 1 )   200 - 202   2017

Cardiac and Respiratory Motion-induced Artifact in Myocardial Perfusion SPECT

Okuda Koichi, Nakajima Kenichi, Kikuchi Akihiro, Onoguchi Masahisa, Hashimoto Mitsumasa

Annals of Nuclear Cardiology   3 ( 1 )   88 - 93   2017

123I-meta-iodobenzylguanidine Sympathetic Nerve Function Indices Derived from Planar Images

Kenichi Nakajima, Koichi Okuda

Annals of Nuclear Cardiology   3 ( 1 )   200 - 202   2017

A European phantom study to cross-calibrate myocardial <SUP>123</SUP>I-mIBG scintigraphy

Poel E., Verschure D. O., Nakajima K., Okuda K., van Eck-Smit B. L. F., Somsen G. A., Verberne H. J.

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   43   S67 - S68   2016.10

Need for standardization of ROI definition in planar cardiac I-123-MIBG imaging

Schmitt C., Jungen C., Okuda K., Kobayashi Y., Helberg A., Mester J., Meyer C., Nakajima K.

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   43   S568 - S569   2016.10

Characteristics of gamma cameras with medium-energy-type collimators in cardiac <SUP>123</SUP>I-MIBG imaging: A multicenter MIBG phantom study in Japan

Okuda K., Nakajima K., Kitamura C., Hori M., Kirihara Y., Matsuo S., Taki J., Hashimoto M., Kinuya S.

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   43   S88 - S88   2016.10

Cardiac mortality risk chart in chronic heart failure: multivariate I-123 meta-iodobenzylguanidine risk model incorporating correction of collimator differences

Nakajima Kenichi, Nakata Tomoaki, Matsuo Shinro, Jacobson Arnold, Okuda Koichi, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   57   2016.5

Prognostic value of olfactory nerve scintigraphy by per-nasal Tl-201 administration in patients with impaired sense of smell

Taki Junichi, Shiga Hideaki, Okuda Koichi, Miwa Takaki, Inaki Anri, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   57   2016.5

Phase dyssynchrony parameters in gated myocardial perfusion imaging: Normal ranges and affecting factors in four software programs

Nakajima Kenichi, Okuda Koichi, Matsuo Shinro, Kiso Keisuke, Kinuya Seigo, Garcia Ernest

JOURNAL OF NUCLEAR MEDICINE   57   2016.5

Phase dyssynchrony parameters in gated myocardial perfusion imaging: Normal ranges and affecting factors in four software programs

Nakajima Kenichi, Okuda Koichi, Matsuo Shinro, Kiso Keisuke, Kinuya Seigo, Garcia Ernest

JOURNAL OF NUCLEAR MEDICINE   57   2016.5

Multicenter phantom study of characteristics of gamma cameras with LEHR collimators in cardiac I-123-MIBG imaging

Okuda Koichi, Nakajima Kenichi, Kitamura Chiemi, Hori Masayo, Kirihara Yumiko, Matsuo Shinro, Taki Junichi, Hashimoto Mitsumasa, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   57   2016.5

Multicenter phantom study of characteristics of gamma cameras with LEHR collimators in cardiac <SUP>123</SUP>I-MIBG imaging

Okuda Koichi, Nakajima Kenichi, Kitamura Chiemi, Hori Masayo, Kirihara Yumiko, Matsuo Shinro, Taki Junichi, Hashimoto Mitsumasa, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   57   2016.5

Characteristics of normal myocardial perfusion distribution derived from the IQ-SPECT system: A comparison between gender-combined and specific databases

Okuda Koichi, Nakajima Kenichi, Matsuo Shinro, Kondo Chisato, Sarai Masayoshi, Shimotsu Yoriko Horiguchi, Onoguchi Masahisa, Konishi Takahiro, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   57   2016.5

Characteristics of normal myocardial perfusion distribution derived from the IQ-SPECT system: A comparison between gender-combined and specific databases

Okuda Koichi, Nakajima Kenichi, Matsuo Shinro, Kondo Chisato, Sarai Masayoshi, Shimotsu Yoriko Horiguchi, Onoguchi Masahisa, Konishi Takahiro, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   57   2016.5

Cardiac mortality risk chart in chronic heart failure: multivariate I-123 meta-iodobenzylguanidine risk model incorporating correction of collimator differences

Nakajima Kenichi, Nakata Tomoaki, Matsuo Shinro, Jacobson Arnold, Okuda Koichi, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   57   2016.5

Prognostic value of olfactory nerve scintigraphy by per-nasal Tl-201 administration in patients with impaired sense of smell

Junichi Taki, Hideaki Shiga, Koichi Okuda, Takaki Miwa, Anri Inaki, Seigo Kinuya

JOURNAL OF NUCLEAR MEDICINE   57   2016.5

Normal values and standardization of parameters in nuclear cardiology: Japanese Society of Nuclear Medicine working group database.

Nakajima K, Matsumoto N, Kasai T, Matsuo S, Kiso K, Okuda K

Annals of nuclear medicine   30 ( 3 )   188 - 199   2016.4

Development and validation of a direct-comparison method for cardiac I-123-metaiodobenzylguanidine washout rates derived from late 3-hour and 4-hour imaging

Koichi Okuda, Kenichi Nakajima, Shuichi Sugino, Yumiko Kirihara, Shinro Matsuo, Junichi Taki, Mitsumasa Hashimoto, Seigo Kinuya

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   43 ( 2 )   319 - 325   2016.2

The time has come to standardize I-123-MIBG heart-to-mediastinum ratios including planar and SPECT methods

Kenichi Nakajima, Koichi Okuda, Shinro Matsuo, Denis Agostini

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   43 ( 2 )   386 - 388   2016.2

Cardiac Time-of-flight PET for Evaluating Myocardial Perfusion with ¹³N-ammonia

Matsuo Shinro, Mochizuki Takafumi, Takeda Satoru, Shibutani Takayuki, Onoguchi Masahisa, Nakajima Kenichi, Okuda Koichi, Takeuchi Hirotoshi, Hayakawa Kazuya, Kinuya Seigo

Annals of Nuclear Cardiology   2 ( 1 )   73 - 78   2016

Reducing the small-heart effect in pediatric gated myocardial perfusion single-photon emission computed tomography.

H.Yoneyama, K.Nakajima, K.Okuda, S.Matsuo, M.Onoguchi, S.Kinuya, Edenbrandt Lars

Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology   *   1 - 11   2016

Influence of ROI definition on the heart-to-mediastinum ratio in planar (123)I-MIBG imaging.

Klene Christiane, Jungen Christiane, K.Okuda, Y.Kobayashi, Helberg Annabelle, Mester Janos, Meyer Christian, K.Nakajima

Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology   **   ** - **   2016

Comparison of phase dyssynchrony analysis using gated myocardial perfusion imaging with four software programs: Based on the Japanese Society of Nuclear Medicine working group normal database.

K.Nakajima, K.Okuda, S.Matsuo, K.Kiso, S.Kinuya, Garcia Ernest V

Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology   24   1 - 11   2016

Creation of Common Databases in Nuclear Cardiology and Cross-calibration among Software Programs

Nakajima Kenichi, Matsumoto Naoya, Kasai Tokuo, Kiso Keisuke, Momose Mitsuru, Miyagawa Masao, Nakagawa Masayasu, Matsuo Shinro, Uchida Kenji, Onoguchi Masahisa, Okuda Koichi

KAKUIGAKU   53 ( 1 )   23 - 25   2016

総合人間科学 放射線生物学入門について

奥田 光一, 橋本 光正

金沢医科大学教養論文集 = Memoirs on liberal arts and sciences, Kanazawa Medical University   44   33 - 37   2016

総合人間科学 放射線生物学入門 実習「染色体標本の作成及び放射線照射による染色体構造異常の観察」を通して学ぶ細胞生物学

橋本 光正, 奥田 光一

金沢医科大学教養論文集 = Memoirs on liberal arts and sciences, Kanazawa Medical University   44   39 - 48   2016

Detection of myocardial ischemia using artificial neural network: different characteristics from conventional defect scoring methods

Nakajima K., Matsuo S., Okuda K., Yokoyama K., Bunko H., Kinuya S., Edenbrandt L.

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   42   S73 - S74   2015.10

Effect of standardization of I-123 MIBG heart-to-mediastinum ratio on the prognostic threshold: application to multicenter database of chronic heart failure

Nakajima K., Okuda K., Matsuo S., Nakata T., Kinuya S.

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   42   S28 - S28   2015.10

Prognostic value of olfactory nerve assessment with olfacto-scintigraphy in patients with olfactory disorders

Hideaki Shiga, Junichi Taki, Koichi Okuda, Naoto Watanabe, Hisao Tonami, Mitsuru Furukawa, Seigo Kinuya, Takaki Miwa

CHEMICAL SENSES   40 ( 7 )   643 - 644   2015.9

Prognostic value of olfactory nerve assessment with olfacto-scintigraphy in patients with olfactory disorders

Shiga Hideaki, Taki Junichi, Okuda Koichi, Watanabe Naoto, Tonami Hisao, Furukawa Mitsuru, Kinuya Seigo, Miwa Takaki

CHEMICAL SENSES   40 ( 7 )   643 - 644   2015.9

Nuclear myocardial perfusion imaging using thallium-201 with a novel multifocal collimator SPECT/CT: IQ-SPECT versus conventional protocols in normal subjects

Shinro Matsuo, Kenichi Nakajima, Masahisa Onoguchi, Hiroshi Wakabayash, Koichi Okuda, Seigo Kinuya

ANNALS OF NUCLEAR MEDICINE   29 ( 5 )   452 - 459   2015.6

Multicenter normal Tl-201 databases with multifocal collimators for supine, prone and CT-based corrections

Nakajima Kenichi, Okuda Koichi, Matsuo Shinro, Kondo Chisato, Sarai Masayoshi, Shimotsu Yoriko Horiguchi, Onoguchi Masahisa, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   56 ( 3 )   2015.5

Standardization of quantitative I-123 metaiodobenzylguanidine imaging algorithm for the assessment from diagnosis to prognosis in patients with heart failure

Nakajima Kenichi, Matsuo Shinro, Nakata Tomoaki, Okuda Koichi, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   56 ( 3 )   2015.5

Multicenter normal Tl-201 databases with multifocal collimators for supine, prone and CT-based corrections

Kenichi Nakajima, Koichi Okuda, Shinro Matsuo, Chisato Kondo, Masayoshi Sarai, Yoriko Horiguchi Shimotsu, Masahisa Onoguchi, Seigo Kinuya

JOURNAL OF NUCLEAR MEDICINE   56 ( 3 )   2015.5

Standardization of quantitative I-123 metaiodobenzylguanidine imaging algorithm for the assessment from diagnosis to prognosis in patients with heart failure

Kenichi Nakajima, Shinro Matsuo, Tomoaki Nakata, Koichi Okuda, Seigo Kinuya

JOURNAL OF NUCLEAR MEDICINE   56 ( 3 )   2015.5

Assessment of peripheral olfactory nerve image in patients with idiopathic olfactory impairments in comparison to healthy volunteers

Shiga H., Taki J., Okuda K., Watanabe N., Tonami H., Kinuya S., Furukawa M., Miwa T.

CHEMICAL SENSES   40 ( 3 )   291 - 291   2015.3

123I-MIBG検査における定量値の統一化

47 ( 1 )   26 - 30   2015.1

Industrial Info. ¹²³I-MIBG検査における定量値の統一化

中嶋 憲一, 奥田 光一

細胞   47 ( 1 )   26 - 30   2015.1

Diagnostic Performance of Artificial Neural Network for Detecting Ischemia in Myocardial Perfusion Imaging

Nakajima Kenichi, Matsuo Shinro, Wakabayashi Hiroshi, Yokoyama Kunihiko, Bunko Hisashi, Okuda Koichi, Kinuya Seigo, Nyström Karin, Edenbrandt Lars

Circulation Journal   79 ( 7 )   1549 - 1556   2015

Multicenter cross-calibration of I-123 metaiodobenzylguanidine heart-to-mediastinum ratios to overcome camera-collimator variations

Kenichi Nakajima, Koichi Okuda, Mana Yoshimura, Shinro Matsuo, Hiroshi Wakabayashi, Yasuhiro Imanishi, Seigo Kinuya

JOURNAL OF NUCLEAR CARDIOLOGY   21 ( 5 )   970 - 978   2014.10

Proposal to unify MIBG heart-to-mediastinum ratio using a cross-calibration phantom method: Multi-centre experiments and a clinical validation study

Nakajima K., Okuda K., Yoshimura M., Matsuo S., Wakabayashi H., Imanishi Y., Kinuya S.

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   41   S216 - S217   2014.10

Multicenter cross-calibration of I-123 metaiodobenzylguanidine heart-to-mediastinum ratios to overcome camera-collimator variations.

Kenichi Nakajima, Koichi Okuda, Mana Yoshimura, Shinro Matsuo, Hiroshi Wakabayashi, Yasuhiro Imanishi, Seigo Kinuya

Eur J Nucl Med Mol Imaging   41 ( 9 )   1673 - 1682   2014.9

Application of a medium-energy collimator for I-131 imaging after ablation treatment of differentiated thyroid cancer

Kobayashi Masato, Wakabayashi Hiroshi, Kayano Daiki, Konishi Takahiro, Kojima Hironori, Yoneyama Hiroto, Okuda Koichi, Tsushima Hiroyuki, Onoguchi Masahisa, Kawai Keiichi, Kinuya Seigo

ANNALS OF NUCLEAR MEDICINE   28 ( 6 )   551 - 558   2014.7

Application of a medium-energy collimator for I-131 imaging after ablation treatment of differentiated thyroid cancer.

Kobayashi M, Wakabayashi H, Kayano D, Konishi T, Kojima H, Yoneyama H, Okuda K, Tsushima H, Onoguchi M, Kawai K, Kinuya S

Annals of nuclear medicine   28 ( 6 )   551 - 558   2014.7

Application of a medium-energy collimator for I-131 imaging after ablation treatment of differentiated thyroid cancer

Masato Kobayashi, Hiroshi Wakabayashi, Daiki Kayano, Takahiro Konishi, Hironori Kojima, Hiroto Yoneyama, Koichi Okuda, Hiroyuki Tsushima, Masahisa Onoguchi, Keiichi Kawai, Seigo Kinuya

ANNALS OF NUCLEAR MEDICINE   28 ( 6 )   551 - 558   2014.7

心電図同期心筋SPECT正常症例における左室位相解析

16 : 28-33   2014.7

心電図同期心筋血流SPECT正常症例における左室位相解析

16:28-33   2014.6

The relationship between 123I-MIBG quantitative SPECT scoring and heart-to-mediastinum ratio

Wakabayashi Hiroshi, Nakajima Kenichi, Matsuo Shinro, Okuda Koichi, Konishi Takahiro, Taki Junichi, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   55   2014.5

The relationship between 123I-MIBG quantitative SPECT scoring and heart-to-mediastinum ratio

Hiroshi Wakabayashi, Kenichi Nakajima, Shinro Matsuo, Koichi Okuda, Takahiro Konishi, Junichi Taki, Seigo Kinuya

JOURNAL OF NUCLEAR MEDICINE   55   2014.5

Optimization of iterative reconstruction parameters with attenuation correction, scatter correction and resolution recovery in myocardial perfusion SPECT/CT

Okuda Koichi, Nakajima Kenichi, Yamada Masato, Wakabayashi Hiroshi, Ichikawa Hajime, Arai Hiroyuki, Matsuo Shinro, Taki Junichi, Hashimoto Mitsumasa, Kinuya Seigo

Annals of Nuclear Medicine   28 ( 1 )   60 - 68   2014.1

Optimization of iterative reconstruction parameters with attenuation correction, scatter correction and resolution recovery in myocardial perfusion SPECT/CT

Koichi Okuda, Kenichi Nakajima, Masato Yamada, Hiroshi Wakabayashi, Hajime Ichikawa, Hiroyuki Arai, Shinro Matsuo, Junichi Taki, Mitsumasa Hashimoto, Seigo Kinuya

ANNALS OF NUCLEAR MEDICINE   28 ( 1 )   60 - 68   2014.1

Usefulness of Spatially Adaptive Noise Reduction Processing in Computer-assisted Diagnosis System for Bone Scintigraphy

Ichikawa Hajime, Onoguchi Masahisa, Okuda Koichi, Kato Toyohiro, Terabe Mitsuaki, Shimada Hideki

Japanese Journal of Radiological Technology   70 ( 5 )   461 - 466   2014

Usefulness of Spatially Adaptive Noise Reduction Processing in Computer-assisted Diagnosis System for Bone Scintigraphy

Ichikawa Hajime, Onoguchi Masahisa, Okuda Koichi, Kato Toyohiro, Terabe Mitsuaki, Shimada Hideki

Japanese Journal of Radiological Technology   70 ( 5 )   461 - 466   2014

Usefulness of Spatially Adaptive Noise Reduction Processing in Computer-assisted Diagnosis System for Bone Scintigraphy

Ichikawa Hajime, Onoguchi Masahisa, Okuda Koichi, Kato Toyohiro, Terabe Mitsuaki, Shimada Hideki

Japanese Journal of Radiological Technology   70 ( 5 )   461 - 466   2014

Usefulness of Spatially Adaptive Noise Reduction Processing in Computer-assisted Diagnosis System for Bone Scintigraphy

Ichikawa Hajime, Onoguchi Masahisa, Okuda Koichi, Kato Toyohiro, Terabe Mitsuaki, Shimada Hideki

Japanese Journal of Radiological Technology   70 ( 5 )   461 - 466   2014

Standardization of I-123 meta-iodo benzyl guanidine heart-to-mediastinum ratio in 33 hospitals and 101 camera-collimator combinations in Japan

Nakajima K., Okuda K., Kirihara Y., Hosoya T., Matsuo S., Kinuya S.

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   40   S170 - S171   2013.10

Prototype imaging protocols for monitoring the efficacy of iodine-131 ablation in differentiated thyroid cancer

Masato Kobayashi, Hiroshi Wakabayashi, Hironori Kojima, Takahiro Konishi, Koichi Okuda, Hiroto Yoneyama, Daiki Kayano, Minoru Tobisaka, Hiroyuki Tsushima, Masahisa Onoguchi, Keiichi Kawai, Seigo Kinuya

HELLENIC JOURNAL OF NUCLEAR MEDICINE   16 ( 3 )   175 - 180   2013.9

Improved quantification of small hearts for gated myocardial perfusion imaging

Nakajima Kenichi, Okuda Koichi, Nyström Karin, Richter Jens, Minarik David, Wakabayashi Hiroshi, Matsuo Shinro, Kinuya Seigo, Edenbrandt Lars

European journal of nuclear medicine and molecular imaging   40 ( 8 )   1163 - 1170   2013.8

Improved quantification of small hearts for gated myocardial perfusion imaging

Kenichi Nakajima, Koichi Okuda, Karin Nystrom, Jens Richter, David Minarik, Hiroshi Wakabayashi, Shinro Matsuo, Seigo Kinuya, Lars Edenbrandt

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   40 ( 8 )   1163 - 1170   2013.8

Improved quantification of small hearts for gated myocardial perfusion imaging.

Nakajima K, Okuda K, Nystrom K, Richter J, Minarik D, Wakabayashi H, Matsuo S, Kinuya S, Edenbrandt L

Eur J Nucl Med Mol Imaging.   40: 1163-70   2013.4

Assessment of Olfactory Nerve by SPECT-MRI Image with Nasal Thallium-201 Administration in Patients with Olfactory Impairments in Comparison to Healthy Volunteers

Hideaki Shiga, Junichi Taki, Kohshin Washiyama, Junpei Yamamoto, Sakae Kinase, Koichi Okuda, Seigo Kinuya, Naoto Watanabe, Hisao Tonami, Kichiro Koshida, Ryohei Amano, Mitsuru Furukawa, Takaki Miwa

PLoS ONE   8 ( 2 )   e57671   2013.2

Assessment of Olfactory Nerve by SPECT-MRI Image with Nasal Thallium-201 Administration in Patients with Olfactory Impairments in Comparison to Healthy Volunteers

Shiga Hideaki, Taki Junichi, Washiyama Kohshin, Yamamoto Junpei, Kinase Sakae, Okuda Koichi, Kinuya Seigo, Watanabe Naoto, Tonami Hisao, Koshida Kichiro, Amano Ryohei, Furukawa Mitsuru, Miwa Takaki, 志賀 英明, 瀧 淳一, 鷲山 幸信, 絹谷 清剛, 渡邉 直人, 利波 久雄, 越田 吉郎, 天野 良平, 古川 仞, 三輪 高喜

PLoS ONE   8 ( 2 )   e57671   2013.2

123I-MIBG検査における心縦隔比の較正方法

中嶋 憲一, 奥田 光一

日本心臓核医学会誌   15 ( 3 )   29 - 31   2013.1

123I-MIBG検査における心縦隔比の較正方法

15:29-31 ( 3 )   29 - 31   2013

smartMIBGを使用した123I-MIBG画像処理の標準化

奥田光一, 中嶋憲一

日本心臓核医学会ニュースレター   15:27-28   2013

Prototype imaging protocols for monitoring the efficacy of iodine-131 ablation in differentiated thyroid cancer

Kobayashi Masato, Wakabayashi Hiroshi, Kojima Hironori, Konishi Takahiro, Okuda Koichi, Yoneyama Hiroto, Kayano Daiki, Tobisaka Minoru, Tsushima Hiroyuki, Onoguchi Masahisa, Kawai Keiichi, Kinuya Seigo

HELLENIC JOURNAL OF NUCLEAR MEDICINE   16 ( 3 )   175 - 180   2013

Coronary Artery Atherosclerosis Analysis by SPECT/CT Imaging may offer Further Risk Stratification in the Management of Patients with Coronary Artery disease

Matsuo S., Nakajima K., Wakabayashi H., Okuda K., Kinuya S.

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   39   S424 - S425   2012.10

Assessment of myocardial perfusion, metabolism and sympathetic function benefits the diagnosis and follow-up of patients with Takotsubo cardiomyopathy

Matsuo Shinro, Nakajima Kenichi, Okuda Koichi, Yamagishi Masakazu, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   53   2012.5

Optimization of iterative reconstruction with attenuation, scatter and resolution corrections in myocardial perfusion SPECT/CT

Okuda Koichi, Nakajima Kenichi, Yamada Masato, Wakabayashi Hiroshi, Ichikawa Hajime, Arai Hiroyuki, Matsuo Shinro, Taki Junichi, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   53   2012.5

Optimization of iterative reconstruction with attenuation, scatter and resolution corrections in myocardial perfusion SPECT/CT

Okuda Koichi, Nakajima Kenichi, Yamada Masato, Wakabayashi Hiroshi, Ichikawa Hajime, Arai Hiroyuki, Matsuo Shinro, Taki Junichi, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   53   2012.5

Improved detectability of sentinel lymph nodes by using LMEGP collimator

Konishi Takahiro, Kojima Hironori, Yoneyama Hiroto, Okuda Koichi, Kobayashi Masato, Tobisaka Minoru, Matsuyama Shigeto

JOURNAL OF NUCLEAR MEDICINE   53   2012.5

Improved detectability of sentinel lymph nodes by using LMEGP collimator

Konishi Takahiro, Kojima Hironori, Yoneyama Hiroto, Okuda Koichi, Kobayashi Masato, Tobisaka Minoru, Matsuyama Shigeto

JOURNAL OF NUCLEAR MEDICINE   53   2012.5

Imaging acquisition and processing protocols during iodine-131 therapy for differentiated thyroid cancer

Kobayashi Masato, Wakabayashi Hiroshi, Kojima Hironori, Konishi Takahiro, Okuda Koichi, Kayano Daiki, Tobisaka Minoru, Onoguchi Masahisa, Kawai Keiichi, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   53   2012.5

Imaging acquisition and processing protocols during iodine-131 therapy for differentiated thyroid cancer

Kobayashi Masato, Wakabayashi Hiroshi, Kojima Hironori, Konishi Takahiro, Okuda Koichi, Kayano Daiki, Tobisaka Minoru, Onoguchi Masahisa, Kawai Keiichi, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   53   2012.5

Assessment of myocardial perfusion, metabolism and sympathetic function benefits the diagnosis and follow-up of patients with Takotsubo cardiomyopathy

Matsuo Shinro, Nakajima Kenichi, Okuda Koichi, Yamagishi Masakazu, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   53   2012.5

心臓核医学から見た日本人におけるSPECTと心機能の標準データベース

中嶋 憲一, 松尾 信郎, 奥田 光一

日本心臓病学会誌 : Journal of cardiology. Japanese edition   7 ( 1 )   1 - 7   2012.2

Standardization of metaiodobenzylguanidine heartto mediastinum ratio using a calibration phantom: Effects of correction on normal databases and a multicentre study

Nakajima Kenichi, Okuda Koichi, Matsuo Shinro

European Journal of Nuclear Medicine and Molecular Imaging   39 ( 1 )   113 - 119   2012.1

Standardization of metaiodobenzylguanidine heartto mediastinum ratio using a calibration phantom: Effects of correction on normal databases and a multicentre study

Nakajima, K., Okuda, K., Matsuo, S., Yoshita, M., Taki, J., Yamada, M., Kinuya, S.

European Journal of Nuclear Medicine and Molecular Imaging   39 ( 1 )   113 - 119   2012.1

MIBG心筋シンチグラフィの標準化はどのようにすればよいか？

中嶋 憲一, 奥田 光一

DPC時代の心不全マネージメント   4   1 - 6   2011.12

Cause of apical thinning on attenuation-corrected myocardial perfusion SPECT

Okuda Koichi, Nakajima Kenichi, Matsuo Shinro, Wakabayashi Hiroshi, Taki Junichi, Kinuya Seigo

Nuclear Medicine Communications   32 ( 11 )   1039   2011.11

The relationship between stress-induced myocardial ischemia and coronary artery atherosclerosis measured by hybrid SPECT/CT camera

Matsuo Shinro, Nakajima Kenichi, Okuda Koichi, Kinuya Seigo

Annals of Nuclear Medicine   25 ( 9 )   650 - 656   2011.11

Cause of apical thinning on attenuation-corrected myocardial perfusion SPECT

Koichi Okuda, Kenichi Nakajima, Shinro Matsuo, Hiroshi Wakabayashi, Junichi Taki, Seigo Kinuya

NUCLEAR MEDICINE COMMUNICATIONS   32 ( 11 )   1033 - 1039   2011.11

The relationship between stress-induced myocardial ischemia and coronary artery atherosclerosis measured by hybrid SPECT/CT camera

Shinro Matsuo, Kenichi Nakajima, Koichi Okuda, Seigo Kinuya

ANNALS OF NUCLEAR MEDICINE   25 ( 9 )   650 - 656   2011.11

Quantification of myocardial perfusion SPECT using freeware package (cardioBull)

Okuda Koichi, Nakajima Kenichi, Hosoya Tetsuo, Ishikawa Takehiro, Matsuo Shinro, Kawano Masaya, Taki Junichi, Kinuya Seigo

Annals of Nuclear Medicine   25 ( 8 )   571 - 579   2011.10

Estimation of Cardiac Event Risk by Gated Myocardial Perfusion Imaging and Quantitative Scoring Methods Based on a Multi-Center J-ACCESS Database

Kenichi Nakajima, Shinro Matsuo, Koichi Okuda, Hiroshi Wakabayashi, Kazumasa Tsukamoto, Tsunehiko Nishimura

CIRCULATION JOURNAL   75 ( 10 )   2417 - 2423   2011.10

Quantification of myocardial perfusion SPECT using freeware package (cardioBull)

Koichi Okuda, Kenichi Nakajima, Tetsuo Hosoya, Takehiro Ishikawa, Shinro Matsuo, Masaya Kawano, Junichi Taki, Seigo Kinuya

ANNALS OF NUCLEAR MEDICINE   25 ( 8 )   571 - 579   2011.10

Estimation of Cardiac Event Risk by Gated Myocardial Perfusion Imaging and Quantitative Scoring Methods Based on a Multi-Center J-ACCESS Database

Nakajima Kenichi, Matsuo Shinro, Okuda Koichi, Wakabayashi Hiroshi, Tsukamoto Kazumasa, Nishimura Tsunehiko

CIRCULATION JOURNAL   75 ( 10 )   2417 - 2423   2011.10

Estimation of Cardiac Event Risk by Gated Myocardial Perfusion Imaging and Quantitative Scoring Methods Based on a Multi-Center J-ACCESS Database

Kenichi Nakajima, Shinro Matsuo, Koichi Okuda, Hiroshi Wakabayashi, Kazumasa Tsukamoto, Tsunehiko Nishimura

CIRCULATION JOURNAL   75 ( 10 )   2417 - 2423   2011.10

Cause of apical thinning on attenuation corrected myocardial perfusion SPECT

Okuda Koichi, Nakajima Kenichi, Matsuo Shinro, Wakabayashi Hiroshi, Taki Junichi, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   52   2011.5

Improved reproducibility of heart-to-mediastinum ratio by semi-automatic calculation algorithm in cardiac I-123 MIBG imaging

Okuda Koichi, Nakajima Kenichi, Hosoya Tetsuo, Ishikawa Takehiro, Matsuo Shinro, Taki Junichi, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   52   2011.5

Improved reproducibility of heart-to-mediastinum ratio by semi-automatic calculation algorithm in cardiac I-123 MIBG imaging

Okuda Koichi, Nakajima Kenichi, Hosoya Tetsuo, Ishikawa Takehiro, Matsuo Shinro, Taki Junichi, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   52   2011.5

Cause of apical thinning on attenuation corrected myocardial perfusion SPECT

Okuda Koichi, Nakajima Kenichi, Matsuo Shinro, Wakabayashi Hiroshi, Taki Junichi, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   52   2011.5

Estimation of cardiac event risk by integrated software of perfusion defect scoring and clinical backgrounds

Nakajima K., Matsuo S., Okuda K., Wakabayashi H., Tsukamoto K., Kinuya S., Nishimura T.

EUROPEAN HEART JOURNAL SUPPLEMENTS   13 ( A )   A87 - A87   2011.4

Standardization of cardiac meta-iodobenzylguanidine (MIBG) heart-to-mediastinum ratio for a multi-center study: utility of an inter-institutional calibration phantom

Nakajima K., Okuda K., Matsuo S., Kirihara Y., Ishikawa T., Taki J., Yoshita M., Yamada M., Kinuya S.

EUROPEAN HEART JOURNAL SUPPLEMENTS   13 ( A )   A52 - A52   2011.4

Relationship between stress-induced myocardial ischemia and coronary artery atherosclerosis measured by SPECT/CT imaging

Matsuo S., Nakajima K., Tobisaka M., Okuda K., Kinuya S.

EUROPEAN HEART JOURNAL SUPPLEMENTS   13 ( A )   A84 - A84   2011.4

Semi-automated algorithm for calculating heart-to-mediastinum ratio in cardiac Iodine-123 MIBG imaging

Okuda Koichi, Nakajima Kenichi, Hosoya Tetsuo, Ishikawa Takehiro, Konishi Takahiro, Matsubara Kosuke, Matsuo Shinro, Kinuya Seigo

Journal of Nuclear Cardiology   18 ( 1 )   82 - 89   2011.2

Semi-automated algorithm for calculating heart-to-mediastinum ratio in cardiac Iodine-123 MIBG imaging

Koichi Okuda, Kenichi Nakajima, Tetsuo Hosoya, Takehiro Ishikawa, Takahiro Konishi, Kosuke Matsubara, Shinro Matsuo, Seigo Kinuya

JOURNAL OF NUCLEAR CARDIOLOGY   18 ( 1 )   82 - 89   2011.2

Estimation of Cardiac Event Risk by Gated Myocardial Perfusion Imaging and Quantitative Scoring Methods Based on a Multi-Center J-ACCESS Database

Nakajima Kenichi, Matsuo Shinro, Okuda Koichi, Wakabayashi Hiroshi, Tsukamoto Kazumasa, Nishimura Tsunehiko

Circulation Journal   75 ( 10 )   2417 - 2423   2011

Estimation of Cardiac Event Risk by Gated Myocardial Perfusion Imaging and Quantitative Scoring Methods Based on a Multi-Center J-ACCESS Database.

Nakajima K, Matsuo S, Okuda K, Wakabayashi H, Tsukamoto K, Nishimura T

Circulation journal : official journal of the Japanese Circulation Society   75: 2417-23   2011

心筋血流解析ソフトウェア cardioBulll (ver.4) の定量解析技術

奥田 光一, 中嶋 憲一, 松尾 信郎, 絹谷 清剛, 細谷 徹夫, 石川 丈洋

核医学画像診断 = Imaging diagnosis in nuclear medicine   25 ( 1 )   28 - 31   2010.11

Characteristics of normal standards for myocardial sympathetic and metabolic imaging in comparison with perfusion imaging using database of the Japanese Society of Nuclear Medicine

Matsuo Shinro, Nakajima Kenichi, Okuda Koichi, Taki Junichi, Kinuya Seio

JOURNAL OF NUCLEAR MEDICINE   51   2010.5

Characteristics of normal standards for myocardial sympathetic and metabolic imaging in comparison with perfusion imaging using database of the Japanese Society of Nuclear Medicine

Matsuo Shinro, Nakajima Kenichi, Okuda Koichi, Taki Junichi, Kinuya Seio

JOURNAL OF NUCLEAR MEDICINE   51   2010.5

The validity of multi-center common normal database for identifying myocardial ischemia: Japanese Society of Nuclear Medicine Working Group Database

Nakajima Kenichi, Matsuo Shinro, Kawano Masaya, Matsumoto Naoya, Hashimoto Jun, Yoshinaga Keiichiro, Taki Junichi, Okuda Koichi, 中嶋 憲一, 松尾 信郎, 瀧 淳一

Annals of Nuclear Medicine   24 ( 2 )   99 - 105   2010.2

The validity of multi-center common normal database for identifying myocardial ischemia: Japanese Society of Nuclear Medicine working group database

Kenichi Nakajima, Shinro Matsuo, Masaya Kawano, Naoya Matsumoto, Jun Hashimoto, Keiichiro Yoshinaga, Junichi Taki, Koichi Okuda

ANNALS OF NUCLEAR MEDICINE   24 ( 2 )   99 - 105   2010.2

Characterization of Japanese standards for myocardial sympathetic and metabolic imaging in comparison with perfusion imaging

MATSUO Shinro, NAKAJIMA Kenichi, YAMASHINA Shohei, SAKATA Kazuyuki, MOMOSE Mitsuru, HASHIMOTO Jun, KUMITA Shinichiro, KAWANO Masaya, OKUDA Koichi

Ann Nucl Med   23 ( 6 )   517 - 522   2009.8

Clinical usefulness of novel cardiac MDCT/SPECT fusion image

Matsuo Shinro, Nakajima Kenichi, Wakabayashi Hiroshi, Akhter Nasima, Taki Junichi, Okuda Koichi, Kinuya Seigo

Annals of Nuclear Medicine   23 ( 6 )   579 - 586   2009.8

Characterization of Japanese standards for myocardial sympathetic and metabolic imaging in comparison with perfusion imaging

Shinro Matsuo, Kenichi Nakajima, Shohei Yamashina, Kazuyuki Sakata, Mitsuru Momose, Jun Hashimoto, Shinichiro Kumita, Masaya Kawano, Koichi Okuda

ANNALS OF NUCLEAR MEDICINE   23 ( 6 )   517 - 522   2009.8

Clinical usefulness of novel cardiac MDCT/SPECT fusion image

Matsuo Shinro, Nakajima Kenichi, Akhter Nasima, Wakabayashi Hiroshi, Taki Junichi, Okuda Koichi, Kinuya Seigo

ANNALS OF NUCLEAR MEDICINE   23 ( 6 )   579 - 586   2009.8

Clinical usefulness of novel cardiac MDCT/SPECT fusion image

Shinro Matsuo, Kenichi Nakajima, Nasima Akhter, Hiroshi Wakabayashi, Junichi Taki, Koichi Okuda, Seigo Kinuya

ANNALS OF NUCLEAR MEDICINE   23 ( 6 )   579 - 586   2009.8

Clinical usefulness of novel cardiac MDCT/SPECT fusion image

Shinro Matsuo, Kenichi Nakajima, Nasima Akhter, Hiroshi Wakabayashi, Junichi Taki, Koichi Okuda, Seigo Kinuya

ANNALS OF NUCLEAR MEDICINE   23 ( 6 )   579 - 586   2009.8

Characterization of Japanese standards for myocardial sympathetic and metabolic imaging in comparison with perfusion imaging

Matsuo Shinro, Nakajima Kenichi, Yamashina Shohei, Sakata Kazuyuki, Momose Mitsuru, Hashimoto Jun, Kumita Shinichiro, Kawano Masaya, Okuda Koichi

ANNALS OF NUCLEAR MEDICINE   23 ( 6 )   517 - 522   2009.8

Characterization of Japanese standards for myocardial sympathetic and metabolic imaging in comparison with perfusion imaging

Shinro Matsuo, Kenichi Nakajima, Shohei Yamashina, Kazuyuki Sakata, Mitsuru Momose, Jun Hashimoto, Shinichiro Kumita, Masaya Kawano, Koichi Okuda

ANNALS OF NUCLEAR MEDICINE   23 ( 6 )   517 - 522   2009.8

Attenuation correction of myocardial SPECT by scatter-photopeak window method in normal subjects

Okuda Koichi, Nakajima Kenichi, Motomura Nobutoku, Kubota Masahiro, Yamaki Noriyasu, Maeda Hisato, Matsuo Shinro, Kinuya Seigo

Annals of Nuclear Medicine   23 ( 5 )   501 - 506   2009.7

Attenuation correction of myocardial SPECT by scatter-photopeak window method in normal subjects

Koichi Okuda, Kenichi Nakajima, Nobutoku Motomura, Masahiro Kubota, Noriyasu Yamaki, Hisato Maeda, Shinro Matsuo, Seigo Kinuya

ANNALS OF NUCLEAR MEDICINE   23 ( 5 )   501 - 506   2009.7

Attenuation correction of myocardial SPECT by scatter-photopeak window method in normal subjects

Okuda Koichi, Nakajima Kenichi, Motomura Nobutoku, Kubota Masahiro, Yamaki Noriyasu, Maeda Hisato, Matsuo Shinro, Kinuya Seigo

ANNALS OF NUCLEAR MEDICINE   23 ( 5 )   501 - 506   2009.7

Attenuation correction of myocardial SPECT by scatter-photopeak window method in normal subjects

Koichi Okuda, Kenichi Nakajima, Nobutoku Motomura, Masahiro Kubota, Noriyasu Yamaki, Hisato Maeda, Shinro Matsuo, Seigo Kinuya

ANNALS OF NUCLEAR MEDICINE   23 ( 5 )   501 - 506   2009.7

The importance of population-specific normal database for quantification of myocardial ischemia: comparison between Japanese 360 and 180-degree databases and a US database

Nakajima Kenichi, Okuda Koichi, Kawano Masaya, Matsuo Shinro, Slomka Piotr, Germano Guido, Kinuya Seigo

JOURNAL OF NUCLEAR CARDIOLOGY   16 ( 3 )   422 - 430   2009.6

The importance of population-specific normal database for quantification of myocardial ischemia: comparison between Japanese 360 and 180-degree databases and a US database

Kenichi Nakajima, Koichi Okuda, Masaya Kawano, Shinro Matsuo, Piotr Slomka, Guido Germano, Seigo Kinuya

JOURNAL OF NUCLEAR CARDIOLOGY   16 ( 3 )   422 - 430   2009.6

The importance of population-specific normal database for quantification of myocardial ischemia: comparison between Japanese 360 and 180-degree databases and a US database

Kenichi Nakajima, Koichi Okuda, Masaya Kawano, Shinro Matsuo, Piotr Slomka, Guido Germano, Seigo Kinuya

JOURNAL OF NUCLEAR CARDIOLOGY   16 ( 3 )   422 - 430   2009.6

Characteristics of normal myocardial SPECT database created by Japanese multiple nuclear medicine centers

Nakajima Kenichi K., Matsuo S., Okuda K., Kumita S., Ishida Y., Momose M., Taki J., Yamashina S.

EUROPEAN HEART JOURNAL SUPPLEMENTS   11 ( B )   S17 - S18   2009.5

Standardization of the heart-to-mediastinum ratio of iodine-123-labeled-meta-iodobenzylguanidine uptake using dual energy window method

Matsuo Shinro S, Nakajima K, Okuda K, Kawano M, Ishikawa T, Hosaya T, Taki J, Kinuya S

EUROPEAN HEART JOURNAL SUPPLEMENTS   11 ( B )   S57 - S58   2009.5

Standardization of the heart-to-mediastinum ratio of iodine-123-labeled-meta-iodobenzylguanidine uptake using dual energy window method

Matsuo Shinro S., Nakajima K., Okuda K., Kawano M., Ishikawa T., Hosaya T., Taki J., Kinuya S.

EUROPEAN HEART JOURNAL SUPPLEMENTS   11 ( B )   S57 - S58   2009.5

Clinical usefulness of novel fusion imaging system by using 64-section MDCT and cardiac SPECT

Matsuo Shinro, Nakajima Kenichi, Wakabayashi Hiroshi, Okuda Koichi, Akhter Nasima, Taki Junichi, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   50   2009.5

Clinical usefulness of novel fusion imaging system by using 64-section MDCT and cardiac SPECT

Matsuo Shinro, Nakajima Kenichi, Wakabayashi Hiroshi, Okuda Koichi, Akhter Nasima, Taki Junichi, Kinuya Seigo

JOURNAL OF NUCLEAR MEDICINE   50   2009.5

Standardization of the heart-to-mediastinum ratio of 123I- labelled-metaiodobenzylguanidine uptake using the dual energy window method: Feasibility of correction with different camera-collimator combinations

Matsuo Shinro, Nakajima Kenichi, Okuda Koichi, Kawano Masaya, Ishikawa Takehiro, Hosoya Tetsuo, Taki Junichi, Kinuya Seigo

European Journal of Nuclear Medicine and Molecular Imaging   36 ( 4 )   560 - 566   2009.4

Standardization of the heart-to-mediastinum ratio of 123I-labelled-metaiodobenzylguanidine uptake using the dual energy window method: feasibility of correction with different camera-collimator combinations

Matsuo Shinro, Nakajima Kenichi, Okuda Koichi, Kawano Masaya, Ishikawa Takehiro, Hosoya Tetsuo, Taki Junichi, Kinuya Seigo

European Journal of Nuclear Medicine and Molecular Imaging   36 ( 4 )   560 - 566   2009.4

Standardization of the heart-to-mediastinum ratio of 123I-labelled-metaiodobenzylguanidine uptake using the dual energy window method: feasibility of correction with different camera-collimator combinations.

Matsuo S, Nakajima K, Okuda K, Kawano M, Ishikawa T, Hosoya T, Taki J, Kinuya S

European journal of nuclear medicine and molecular imaging   36 ( 4 )   560 - 566   2009.4

SPECT/CT 複合機を用いた心筋SPECT の吸収補正についての初期経験

若林 大志, 中嶋 憲一, 松尾 信郎, 奥田 光一, 萱野 大樹, 絹谷 清剛

北陸循環器核医学研究会記録集   51   11 - 14   2009.1

SSPAC 法を使用した虚弱補正の有用性に関する検討 : SPECT-CT との比較

奥田 光一, 中嶋 憲一, 絹谷 清剛, 松尾 信郎, 本村 信篤, 久保田 雅博

北陸循環器核医学研究会記録集   51   7 - 10   2009.1

心臓血流シンチグラフィと64列MDCT との融合画像による新しい画像診断の有用性

松尾 信郎, 中嶋 憲一, 若林 大志, 奥田 光一, Akhter Nasima, 滝 淳一, 絹谷 清剛

北陸循環器核医学研究会記録集   51   15 - 20   2009.1

MIBG指標の標準化のための散乱線除去への試み : IDW法によるMIBG定量指標の安定化

松尾 信郎, 中嶋 憲一, 奥田 光一, 絹谷 清剛

核医学画像診断 = Imaging diagnosis in nuclear medicine   24 ( 1 )   17 - 26   2009.1

Clinical usefulness of novel cardiac MDCT/SPECT fusion image.

Matsuo S, Nakajima K, Akhter N, Wakabayashi H, Taki J, Okuda K, Kinuya S

Annals of nuclear medicine.   23: 579-86   2009

心筋SPECT標準(JSNM2007)の作成と臨床的検証

中嶋 憲一, 汲田 伸一郎, 百瀬 満, 吉永 恵一郎, 松本 直也, 丸野 廣大, 滝 淳一, 松尾 信郎, 石田 良雄, 橋本 順, 河野 匡哉, 山科 昌平, 米山 達也, 奥田 光一

核医学 : 日本核医学会機関誌 : the Japanese journal of nuclear medicine   45 ( 3 )   233   2008.9

心筋SPECT標準(JSNM2007)の作成と臨床的検証

中嶋 憲一, 汲田 伸一郎, 百瀬 満, 吉永 恵一郎, 松本 直也, 丸野 廣大, 滝 淳一, 松尾 信郎, 石田 良雄, 橋本 順, 河野 匡哉, 山科 昌平, 米山 達也, 奥田 光一

核医学 : 日本核医学会機関誌 : the Japanese journal of nuclear medicine   45 ( 3 )   233 - 233   2008.9

Regional wall thickening in gated myocardial perfusion SPECT in a Japanese population: Effect of sex, radiotracer, rotation angles and frame rates

Akhter Nasima, Nakajima Kenichi, Okuda Koichi, Matsuo Shinro, Yoneyama Tatsuya, Taki Junichi, Kinuya Seigo

European journal of nuclear medicine   35 ( 9 )   1608 - 1615   2008.9

Regional wall thickening in gated myocardial perfusion SPECT in a Japanese population: effect of sex, radiotracer, rotation angles and frame rates

Nasima Akhter, Kenichi Nakajima, Koichi Okuda, Shinro Matsuo, Tatsuya Yoneyama, Junichi Taki, Seigo Kinuya

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   35 ( 9 )   1608 - 1615   2008.9

第55回米国核医学会に参加して

奥田 光一

金沢大学十全医学会雑誌 = Journal of the Jûzen Medical Society   117 ( 2 )   64   2008.6

[123]I-MIBG定量における2および3ウィンドウ法の補正効果 : 人体ファントムによる検討

松原 孝祐, 中嶋 憲一, 本村 信篤, 石川 丈洋, 前田 亮, Nasima Akhter, 奥田 光一, 山田 正人, 絹谷 清剛

北陸循環器核医学研究会記録集   49   5 - 6   2008.2

SSPAC法を使用した減弱補正の有用性に関する検討

奥田 光一, 中嶋 憲一, 本村 信篤, 久保田 雅博

北陸循環器核医学研究会記録集   49   7 - 8   2008.2

日本人の心筋血流標準データベースによる安静時，負荷時心筋血流の比較

米山 達也, 中嶋 憲一, 奥田 光一, 絹谷 清剛

北陸循環器核医学研究会記録集   49   27 - 28   2008.2

Regional wall thickening in gated myocardial perfusion SPECT in a Japanese population: effect of sex, radiotracer, rotation angles and frame rates.

European journal of nuclear medicine and molecular imaging.   35: 1608-15   2008

Correction of iodine-123-labeled meta-iodobenzylguanidine uptake with multi-window methods for standardization of the heart-to-mediastinum ratio

Kenichi Nakajima, Kosuke Matsubara, Takehiro Ishikawa, Nobutoku Motomura, Pyo Maeda, Nasima Akhter, Koichi Okuda, Junichi Taki, Seigo Kinuya

JOURNAL OF NUCLEAR CARDIOLOGY   14 ( 6 )   843 - 851   2007.11

Correction of iodine-123-labeled meta-iodobenzylguanidine uptake with multi-window methods for standardization of the heart-to-mediastinum ratio

Kenichi Nakajima, Kosuke Matsubara, Takehiro Ishikawa, Nobutoku Motomura, Pyo Maeda, Nasima Akhter, Koichi Okuda, Junichi Taki, Seigo Kinuya

JOURNAL OF NUCLEAR CARDIOLOGY   14 ( 6 )   843 - 851   2007.11

心筋標準データベース作成のための技術的課題

奥田 光一, 中嶋 憲一

北陸循環器核医学研究会記録集   47   9 - 10   2007.1

Correction of I-123 MIBG uptake with multi-window methods for standardization of the heart to mediastinum ratio

Nakajima Kenichi, Matsubara Kosuke, Ishikawa Takahiro, Motomura Nobutoku, Maeda Ryo, Akhter Nasima, Okuda Koichi, Taki Junichi, Kinuya Seigo

Journal of Nuclear Cardiology   14   843 - 851   2007.1

Correction of iodine-123-labeled meta-iodobenzylguanidine uptake with multi-window methods for standardization of the heart-to-mediastinum ratio

Nakajima Kenichi, Matsubara Kosuke, Ishikawa Takehiro, Motomura Nobutoku, Maeda Pyo, Akhter Nasima, Okuda Koichi, Taki Junichi, Kinuya Seigo

JOURNAL OF NUCLEAR CARDIOLOGY   14 ( 6 )   843 - 851   2007

正弦格子の製作とその特性の検証

奥田 光一, 池田 直二, 山本 将之, 吉澤 徹, 徳永 剛

精密工学会大会学術講演会講演論文集   2002 ( 1 )   664   2002.3

コード化手法による三次元形状の判別(第2報)

奥田 光一, 山本 将之, 吉澤 徹

精密工学会大会学術講演会講演論文集   2001 ( 2 )   442   2001.9

Need for standardization of ROI definition in planar cardiac I-123-MIBG imaging

C. Schmitt, C. Jungen, K. Okuda, Y. Kobayashi, A. Helberg, J. Mester, C. Meyer, K. Nakajima

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   43   S568 - S569   2016.10

Differentiation of dementia with Lewy bodies and Alzheimer disease using standardized I-123 metaiodobenzylguanidine heart-to-mediastinum ratio based on Japanese multicenter study

K. Nakajima, J. Komatsu, M. Yoshita, M. Samuraki, K. Okuda, S. Kinuya, M. Yamada

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   43   S622 - S623   2016.10

Comparison of phase dyssynchrony analysis among different software programs in patients with suspected or known coronary artery disease

S. Matsuo, K. Nakajima, K. Okuda, Y. Kunita, S. Kinuya

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   43   S546 - S546   2016.10

Detection of myocardial ischemia using artificial neural network: different characteristics from conventional defect scoring methods

K. Nakajima, S. Matsuo, K. Okuda, K. Yokoyama, H. Bunko, S. Kinuya, L. Edenbrandt

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   42   S73 - S74   2015.10

Effect of standardization of I-123 MIBG heart-to-mediastinum ratio on the prognostic threshold: application to multicenter database of chronic heart failure

K. Nakajima, K. Okuda, S. Matsuo, T. Nakata, S. Kinuya

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   42   S28 - S28   2015.10

Assessment of peripheral olfactory nerve image in patients with idiopathic olfactory impairments in comparison to healthy volunteers

H. Shiga, J. Taki, K. Okuda, N. Watanabe, H. Tonami, S. Kinuya, M. Furukawa, T. Miwa

CHEMICAL SENSES   40 ( 3 )   291 - 291   2015.3

Proposal to unify MIBG heart-to-mediastinum ratio using a cross-calibration phantom method: Multi-centre experiments and a clinical validation study

K. Nakajima, K. Okuda, M. Yoshimura, S. Matsuo, H. Wakabayashi, Y. Imanishi, S. Kinuya

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   41   S216 - S217   2014.10

MIBG H/M比 標準化から統一化へ

中嶋 憲一, 奥田 光一

1 - 8   2014.9

Standardization of I-123 meta-iodo benzyl guanidine heart-to-mediastinum ratio in 33 hospitals and 101 camera-collimator combinations in Japan

K. Nakajima, K. Okuda, Y. Kirihara, T. Hosoya, S. Matsuo, S. Kinuya

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   40   S170 - S171   2013.10

Coronary Artery Atherosclerosis Analysis by SPECT/CT Imaging may offer Further Risk Stratification in the Management of Patients with Coronary Artery disease

S. Matsuo, K. Nakajima, H. Wakabayashi, K. Okuda, S. Kinuya

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   39   S424 - S425   2012.10

MIBG心筋シンチグラフィの標準化はどのようにすればよいか？

中嶋 憲一, 奥田 光一

DPC時代の心不全マネージメント   4   1 - 6   2011.12

Estimation of cardiac event risk by integrated software of perfusion defect scoring and clinical backgrounds

K. Nakajima, S. Matsuo, K. Okuda, H. Wakabayashi, K. Tsukamoto, S. Kinuya, T. Nishimura

EUROPEAN HEART JOURNAL SUPPLEMENTS   13 ( A )   A87 - A87   2011.4

Standardization of cardiac meta-iodobenzylguanidine (MIBG) heart-to-mediastinum ratio for a multi-center study: utility of an inter-institutional calibration phantom

K. Nakajima, K. Okuda, S. Matsuo, Y. Kirihara, T. Ishikawa, J. Taki, M. Yoshita, M. Yamada, S. Kinuya

EUROPEAN HEART JOURNAL SUPPLEMENTS   13 ( A )   A52 - A52   2011.4

Relationship between stress-induced myocardial ischemia and coronary artery atherosclerosis measured by SPECT/CT imaging

S. Matsuo, K. Nakajima, M. Tobisaka, K. Okuda, S. Kinuya

EUROPEAN HEART JOURNAL SUPPLEMENTS   13 ( A )   A84 - A84   2011.4

Characteristics of normal myocardial SPECT database created by Japanese multiple nuclear medicine centers

Kenichi K. Nakajima, S. Matsuo, K. Okuda, S. Kumita, Y. Ishida, M. Momose, J. Taki, S. Yamashina

EUROPEAN HEART JOURNAL SUPPLEMENTS   11 ( B )   S17 - S18   2009.5

cardioBull version 4

1 - 8   2009.3

Impression of the society of nuclear medicine 55th annual meeting

OKUDA Koichi

117 ( 2 )   64 - 64   2008.6