Papers - OKUDA KOICHI
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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
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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
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What does diagnostic threshold mean? Deterministic and probabilistic considerations
Nakajima K, Okuda K, Komatsu J
J Nucl Cardiol 28 ( 4 ) 1702 - 1706 2021.8
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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 2020.10
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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
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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
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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
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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