研究者詳細 - 奥田　光一

論文 - 奥田　光一

分割表示 >> ／全件表示261 件中 1 - 261 件目

Detectability of cold tumors by xSPECT bone technology compared with hot tumors: a supine phantom study.

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

Physical and engineering sciences in medicine 2023年12月

Phantom-Based Standardization Method for 123I-meta-iodobenzylguanidine Heart-to-Mediastinum Ratio Validated by D-SPECT Versus Anger Camera

Yamashita S, Nakajima K, Okuda K, Yamamoto H, Shibutani T, Yoneyama T, Tsuji S, Yokoyama K

Ann Nucl Cardiol. 9 ( 1 ) 85 - 90 2023年08月

Feasibility of using counts-per-volume approach with a new SPECT phantom to optimize the relationship between administered dose and acquisition time

Ichikawa Hajime, Shibutani Takayuki, Shimada Hideki, Okuda Koichi, Kato Toyohiro, Nosaka Hiroki, Nagaki Akio, Onoguchi Masahisa

RADIOLOGICAL PHYSICS AND TECHNOLOGY 16 ( 2 ) 244 - 253 2023年06月

Modified signal-to-noise ratio in the liver using the background-to-lung activity ratio to assess image quality of whole-body F-18-fluorodeoxyglucose positron emission tomography

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

RADIOLOGICAL PHYSICS AND TECHNOLOGY 16 ( 1 ) 94 - 101 2023年03月

Machine learning-based prediction of conversion coefficients for I-123 metaiodobenzylguanidine heart-to-mediastinum ratio

Okuda Koichi, Nakajima Kenichi, Kitamura Chiemi, Ljungberg Michael, Hosoya Tetsuo, Kirihara Yumiko, Hashimoto Mitsumasa

JOURNAL OF NUCLEAR CARDIOLOGY 30 ( 4 ) 1630 - 1641 2023年02月

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年

[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年

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年08月

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

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

ANNALS OF NUCLEAR MEDICINE 36 ( 5 ) 495 - 503 2022年05月

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年05月

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年05月

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年

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

Okuda K

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

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

Tatsuno K, Okuda K, Nakajima K, Saito H, Shibutani T, Onoguchi M, Takahashi T, Mochizuki T, Watanabe N, Matoba M

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

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

Okuda K, Nakajima K, Shibutani T

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

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

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

JOURNAL OF NUCLEAR CARDIOLOGY 28 ( 6 ) 2569 - 2577 2021年12月

ディジタルファントムを用いた核医学イメージングにおけるシミュレーションコードの妥当性.

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,Michael Ljungberg.

日本放射線技術学会雑誌 77(1) ( 1 ) 41 - 47 2021年12月

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年10月

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年10月

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年09月

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

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

RADIOLOGICAL PHYSICS AND TECHNOLOGY 14 ( 3 ) 336 - 344 2021年09月

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

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

Annals of Nuclear Cardiology 7 ( 1 ) 49 - 56 2021年08月

What does diagnostic threshold mean? Deterministic and probabilistic considerations

Nakajima Kenichi, Okuda Koichi, Komatsu Junji

JOURNAL OF NUCLEAR CARDIOLOGY 28 ( 4 ) 1702 - 1706 2021年08月

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

Nakajima Kenichi, Okuda Koichi, Maruyama Koji

JOURNAL OF NUCLEAR CARDIOLOGY 28 ( 3 ) 1064 - 1067 2021年06月

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年04月

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

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

JOURNAL OF NUCLEAR MEDICINE TECHNOLOGY 49 ( 1 ) 58 - 64 2021年03月

Metal artifact reduction for improving quantitative SPECT/CT imaging

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

ANNALS OF NUCLEAR MEDICINE 35 ( 3 ) 291 - 298 2021年03月

Experimental evaluation of the GE Discovery 870 CZT clinical SPECT system equipped with WEHR and MEHRS collimator

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

JOURNAL OF APPLIED CLINICAL MEDICAL PHYSICS 22 ( 2 ) 165 - 177 2021年02月

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

Okuda Koichi, Nakajima Kenichi

JOURNAL OF NUCLEAR CARDIOLOGY 28 ( 1 ) 172 - 174 2021年02月

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

(Ichikawa H), Kato T, Miwa K, Shibutani T, Okuda K, Nagaki A, Tsushima H, Onoguchi O.

Asia Ocean J Nucl Med Biol 9 ( 2 ) 158 - 166 2021年

ディジタルファントムを用いた核医学イメージングにおけるシミュレーションコードの妥当性

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, Michael Ljungberg

日本放射線技術学会雑誌 77 ( 1 ) 41 - 47 2021年

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

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

SCIENTIFIC REPORTS 10 ( 1 ) 21834 - 21834 2020年12月

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年10月

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年10月

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年10月

ゾーフィゴ治療におけるリンパ球の放射線障害に関する検討

渡邉直人, 廣正智, 道合万里子, 高橋知子, 的場宗孝, 中澤祐介, 宮澤克人, 岩淵邦芳, 奥田光一

核医学 57 ( Suppl. ) S153 - S153 2020年10月

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

Okuda Koichi, Nakajima Kenichi

JOURNAL OF NUCLEAR CARDIOLOGY 27 ( 2 ) 648 - 650 2020年04月

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

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

JAPANESE JOURNAL OF RADIOLOGY 38 ( 3 ) 274 - 282 2020年03月

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年03月

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

Ito Toshimune, Onoguchi Masahisa, Okuda Koichi, Shibutani Takayuki

NUCLEAR MEDICINE COMMUNICATIONS 41 ( 3 ) 196 - 205 2020年03月

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

SCIENTIFIC REPORTS 10 ( 1 ) 160 - 160 2020年01月

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年01月

Current state of bone scintigraphy protocols and practice in Japan.

Ichikawa H, Miwa K, Okuda K, Shibutani T, Kato T, Nagaki A, Tsushima H, Onoguchi M

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

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年

テクスチャ解析の心臓核医学への応用

奥田光一, 中嶋憲一, 山下匠造, 齊藤久紘, 橋本光正

心臓核医学 22 ( 1 ) 4 - 5 2020年

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

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

SCIENTIFIC REPORTS 9 ( 1 ) 19618 - 19618 2019年12月

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

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

APPLIED RADIATION AND ISOTOPES 154 108890 - 108890 2019年12月

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

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

INTERNATIONAL FORUM OF ALLERGY & RHINOLOGY 9 ( 11 ) 1252 - 1256 2019年11月

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年10月

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年10月

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年10月

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年09月

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

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

MOLECULAR IMAGING AND BIOLOGY 21 ( 4 ) 654 - 659 2019年08月

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

Ito Toshimune, Onoguchi Masahisa, Okuda Koichi, Shibutani Takayuki

JOURNAL OF NUCLEAR MEDICINE 60 2019年05月

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

Ito Toshimune, Onoguchi Masahisa, Okuda Koichi, Shibutani Takayuki

JOURNAL OF NUCLEAR MEDICINE 60 2019年05月

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年05月

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年05月

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年04月

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

Nakajima Kenichi, Okuda Koichi, Verberne Hein J.

JOURNAL OF NUCLEAR CARDIOLOGY 26 ( 2 ) 519 - 523 2019年04月

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年02月

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

ANNALS OF NUCLEAR MEDICINE 33 ( 2 ) 86 - 92 2019年02月

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

Nakajima Kenichi, Okuda Koichi, Matsuo Shinro, Slomka Piotr

JOURNAL OF NUCLEAR CARDIOLOGY 26 ( 1 ) 298 - 302 2019年02月

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年01月

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

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

EUROPEAN JOURNAL OF HYBRID IMAGING 3 ( 1 ) 4 - 4 2019年

10．ImageJ を使用した核医学シミュレーション実験

奥田光一, 伊東利宗

日本放射線技術学会雑誌 75 ( 10 ) 1205 - 1210 2019年

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年11月

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年10月

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年09月

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年08月

A European myocardial 123I-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年08月

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

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

JOURNAL OF NUCLEAR CARDIOLOGY 25 ( 4 ) 1328 - 1337 2018年08月

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

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

MOLECULAR IMAGING AND BIOLOGY 20 ( 4 ) 544 - 550 2018年08月

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

Nakajima Kenichi, Okuda Koichi, Watanabe Satoru, Matsuo Shinro, Kinuya Seigo, Toth Karin, Edenbrandt Lars

ANNALS OF NUCLEAR MEDICINE 32 ( 5 ) 303 - 310 2018年06月

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年05月

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年05月

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年05月

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年05月

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

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

ANNALS OF NUCLEAR MEDICINE 32 ( 3 ) 175 - 181 2018年04月

オルファクトシンチによる嗅覚障害の予後診断

志賀英明, 滝淳一, 奥田光一, 渡邊直人, 利波久雄, 絹谷清剛, 三輪高喜

耳鼻咽喉科ニューロサイエンス vol.32 32 67 - 68 2018年04月

Influence of ROI definition on the heart-to-mediastinum ratio in planar 123I-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年02月

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年

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年

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年

IQ・SPECTによる心臓核医学

中嶋憲一, 澁谷孝行, 小野口昌久, 奥田光一, 米山寛人, 松尾信郎, 清水威志, Nakajima Kenichi, Shibuya Takayuki, Onoguchi Masahisa, Okuda Koichi, Yoneyama Hiroto, Matsuo Shinro, Shimizu Takeshi

IQ・SPECTによる心臓核医学 2018 1 - 20 2018年

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年12月

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年12月

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

European journal of nuclear medicine and molecular imaging 44 ( 13 ) 2280 - 2289 2017年12月

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年12月

IQ•SPECT technology and its clinical applications using multicenter normal databases

Nakajima Kenichi, Okuda Koichi, Momose Mitsuru, Matsuo Shinro, Kondo Chisato, Sarai Masayoshi, Shibutani Takayuki, Onoguchi Masahisa, Shimizu Takeshi, Vija A. Hans

ANNALS OF NUCLEAR MEDICINE 31 ( 9 ) 649 - 659 2017年11月

Cross calibration of 123I-meta-iodobenzylguanidine heart-to-mediastinum ratio with D-SPECT planogram and Anger camera

Nakajima Kenichi, Okuda Koichi, Yokoyama Kunihiko, Yoneyama Tatsuya, Tsuji Shiro, Oda Hiroyuki, Yoshita Mitsuhiro, Kubota Koji

ANNALS OF NUCLEAR MEDICINE 31 ( 8 ) 605 - 615 2017年10月

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年10月

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

Kenichi Nakajima, Koichi Okuda, Hein J. Verberne

Journal of Nuclear Cardiology * 1 - 5 2017年09月

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年09月

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年09月

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年09月

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年08月

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年08月

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年07月

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年07月

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年07月

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

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

SCIENTIFIC REPORTS 7 ( 1 ) 1 2017年06月

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

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

CLINICAL AND TRANSLATIONAL IMAGING 5 ( 3 ) 255 - 263 2017年06月

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年05月

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年05月

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

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

JOURNAL OF NUCLEAR CARDIOLOGY 24 ( 2 ) 611 - 621 2017年04月

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

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

EJNMMI RESEARCH 7 ( 27 ) - - - 2017年03月

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

橋本光正, 奥田光一

金沢医科大学教養論文集 44 39 - 48 2017年02月

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 44 33 - 38 2017年02月

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

Kenichi Nakajima, Koichi Okuda

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

Cardiac and Respiratory Motion-induced Artifact in Myocardial Perfusion SPECT : 4D Digital Anthropomorphic Phantom Study

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

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

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

Kenichi Nakajima, Koichi Okuda

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

EDUCATIONAL TRACK : BASIC INDICES PHYSICIANS SHOULD KNOW ABOUT : ¹²³I-meta-iodobenzylguanidine Sympathetic Nerve Function Indices Derived from Planar Images

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

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年

Normal Values and Gender Differences of Left Ventricular Functional Parameters with CardioREPO Software : Volume, Diastolic Function, and Phase Analysis

Okuda Koichi, Nakajima Kenichi

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

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年

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年

A European phantom study to cross-calibrate myocardial 123I-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年10月

Characteristics of gamma cameras with medium-energy-type collimators in cardiac 123I-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年10月

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年10月

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