新潟医療福祉大学

医療技術学部

Department of Radiological Technology 診療放射線学科

教員紹介

医療技術学部／診療放射線学科
Faculty of Medical Technology／Department of Radiological Technology

郡　倫一 Norikazu Koori

講師

プロフィール

担当科目	画像診断学Ⅰ・Ⅱ、診療画像検査技術学Ⅱ、診療画像検査機器学Ⅱ、診療画像検査技術学実習Ⅰ・Ⅱ、他．
専門分野	画像診断 MRI
学位・称号／取得機関／取得年	学士（保健学）／名古屋大学／2011 修士（保健学）／金沢大学／2021 博士（保健学）／金沢大学／2024
資格	第1種放射線取扱主任者診療放射線技師上級磁気共鳴専門技術者
過去の経歴	愛知医科大学病院、小牧市民病院（愛知）、茨城県立医療大学を経て現職
所属団体・学会等	日本診療放射線技師会日本放射線技術学会日本磁気共鳴医学会

外部リンク

業績等

研究領域	MRIに関する撮像技術の研究 MRIを使用したゲル線量計による放射線量測定の研究画像診断に関する研究
研究紹介	MRIに関する撮像技術の向上に関する研究を実施しています
受賞歴	1. 中部放射線技術学会技術奨励賞受賞 2. 第59回全国自治体病院学会分科会推薦優秀演題賞受賞（共同受賞） 3. 茨城放射線腫瘍研究会優秀演題賞（共同受賞） 4. 第42回茨城県診療放射線技師学術大会学術特別賞 5. 第71回関東支部研究発表大会優秀演題賞（共同受賞）
研究論文（英文）	1. Hiroki Okada, Norikazu Koori, Hatsune Shimizu, Shohei Yamamoto, Tetsuya Komatsuzaki, Hiraku Fuse, Kota Sasaki, Shin Miyakawa, Kenji Yasue, Masato Takahashi Development of Estimation Method for T₁ and T₂ Values using the Relaxivity of Contrast Agent and Coagulant for a Magnetic Resonance Imaging Phantom Radiological physics and technology 2025 in press 2. Norikazu Koori , Takahide Kato, Shohei Yamamoto, Mayumi Yasui, Kazuma Kurata, Takeshi Hasegawa, Fuminari Nishikawa, Masami Sugiyama, Reina Ishiguro, Yohei Takamatsu, Maho Higuchi, Hiroki Kobayashi, Hiroki Nakane, Hiraku Fuse, Kota Sasaki, Shin Miyakawa, Kenji Yasue, Masato Takahashi, Naoki Nosaka Influence of obtaining medical records and laboratory data on the sensitivity of diagnostic imaging assessment by radiological technologists Radiological physics and technology 2025 18(1):337-345. 3. Kenji Yasue, Hiraku Fuse, Minori Takaoka, Shin Miyakawa, Norikazu Koori, Masato Takahashi, Kazuya Shinoda, Hideaki Ikoma, Tatsuya Fujisaki, Shinji Abe Optimization of image reconstruction technique for respiratory-gated lung stereotactic body radiotherapy treatment planning using four-dimensional CT: a phantom study Radiological physics and technology 2024 18(1):27-35. 4. Hiraku Fuse, Fumihiro Tomita, Tatsuya Fujisaki, Kenji Yasue, Shin Miyakawa, Norikazu Koori, Shinji Abe Three-dimensional thermal analysis of thermal characteristics in a water-equivalent phantom thermal analysis of water-equivalent phantom Radiation Physics and Chemistry 2024 217 111458-111458. 5. Norikazu Koori, Hiroki Kamekawa, Takehiro Naito, Yasuo Takatsu, Hiraku Fuse, Shin Miyakawa, Kenji Yasue, Masato Takahashi, Kazuma Kurata Carotid and Aortic Plaque Imaging Using 3D Gradient-echo Imaging and the Three-point Dixon Method with Improved Motion-Sensitized Driven-Equilibrium (iMSDE) Magnetic resonance imaging 2024 111 202-209. 6. Norikazu Koori, Hiroki Kamekawa, Nanami Mukawa, Hiraku Fuse, Shin Miyakawa, Kenji Yasue, Masato Takahashi, Masanori Yamada, Atsushi Hemmi, Toshifumi Kusumoto, Kazuma Kurata Relationship between Imaging Parameters and Distortion in Magnetic Resonance Images for Gamma Knife Treatment Planning Journal of applied clinical medical physics 2023 e14205 7. Norikazu Koori, Hiroki Kamekawa, Maho Higuchi, Hiraku Fuse, Shin Miyakawa, Kenji Yasue, Kazuma Kurata Influence of Half Fourier and Elliptical scanning (radial scan) on Magnetic Resonance Images Journal of Magnetic Resonance 2023 355:107560 8. Hiraku Fuse, Fumihiro Tomita, Kenji Yasue, Hideaki Ikoma, Shin Miyakawa, Norikazu Koori, Tatsuya Fujisaki, Yoshiyuki Ishimori, Masahiko Monma, Toshiyuki Okumura, Yoshio Tamaki Verification of Dose Distribution by Different Material Properties in Intraoral Mold Irradiation Journal of Radiotherapy in Practice 2023 22:e71 9. Norikazu Koori, Joe Senda, Takehiro Naito The Usefulness of the Apparent Diffusion Coefficient Value in Diagnosing Acute Spinal Cord Ischemia Nagoya Journal of Medical Science 2023 85(3):612-618. 10. Shin Miyakawa, Hiraku Fuse, Kenji Yasue, Norikazu Koori, Shunsuke Moriya, Fumihiro Tomita, Ren Yazawa, Maho Hanatani, Tatsuya Fujisaki Effect of Applying Noise Reduction Filters to Quantum Noise on the Calculation Accuracy of CT Ventilation Imaging 2023 AAPM Annual Meeting & Exhibition 2023 11. Norikazu Koori, Akiko Maeda, Mayumi Yasui, Yudai Suzuki, Yusuke Yoshida, Kazuma Kurata, Hiroko Nishikawa Protective Effect of Oral Steroid Premedication: Adverse Reactions to Nonionic Iodine Contrast Media for Computed Tomography Open journal radiology 2022 12(3):102-112. 12. Norikazu Koori, Tosiaki Miyati, Naoki Ohno, Hiroko Kawashima, Hiroko Nishikawa. Sigmoid Model Analysis of Breast Dynamic Contrast-Enhanced MRI: Distinguishing between Benign and Malignant Breast Masses and Breast Cancer Subtype Prediction Journal of Applied Clinical Medical Physics 2022 e13651.
研究論文（和文）	1. 郡倫一． Compressed sensing 併用Parallel Imaging 法におけるDenoising強度の変化による定量値への影響診療放射線技師会雑誌 2023 70(844):1370-1376. 2. 郡倫一, 吉田有佑, 野田明里, 前田安貴子, 西川文也, 安井真由美, 倉田和馬, 鈴木悠大, 亀川洋希, 西川浩子．時間外救急CT・MRIにおける診療放射線技師による緊急所見の読影補助の有用性日本放射線技術学会誌 2022 78(6):582-592 3. 郡倫一．脳幹梗塞の診断におけるthin slice-gapless coronal DWIの臨床的意義と有用性日本放射線技術学会誌 2021 77:1203-1208. 4. 郡倫一，加藤崇英，倉田和馬．脂肪抑制法のinversion time がADC 測定へ与える影響日本放射線技術学会誌 2019 75: 1173-1176. 5. 郡倫一，倉田和馬，二橋尚志，野田純代，間下優子．浸潤性乳管癌におけるdynamic乳腺造影MRIのkinetic curveのgadobutrolとgadodiamide hydrate間の比較日本放射線技術学会誌 2018 74: 1313-1318.
科学研究費	1. 2025-2028 4660千円若手研究放射線量測定のための新しいポリマーゲル線量計の開発
学会・職能団体の委員	1. 2018年－東海MRI技術研究会世話人 2. 2019年－2022年東海synegy lite研究会（Philips MRIユーザー会）世話人 3. 2019年－2022年東海synegy研究会（Philips MRIユーザー会）世話人 4. 2022年－読影の補助（STAT画像）セミナー代表世話人 5. 2024年－ MRI Rookiesセミナー代表世話人
公開講座・講演会等	1. 2025 第11回TMC・東海MRI技術カンファレンス撮像プロトコル決定に必要な画像診断系ガイドラインの知識 -前立腺・膀胱・婦人科領域- 講師浜松 2025年2月 2. 2024 令和6年度診療放射線技師継続教育等事業 MRI技術講習会専門技術者認定試験に向けたMRI基礎編講師 Web 2024年10月 3. 2024 第4回読影の補助（STAT－CT・MRI）画像セミナー血液データと臨床情報取得の重要性－読影補助感度の向上に向けて－講師 Web 2024年9月 4. 2023 第1回読影の補助（STAT－CT・MRI）画像セミナー診療放射線技師による読影の補助の重要性講師 Web 2023年3月 5. 2022 茨城MR技術研究会大学教員のお仕事と研究のススメ講師 6. 2022 東海Synegy Lite モーション・flowアーチファクトをパラメータ変更でEnjoy MRI 講師 7. 2022 東海Synegy 私，ぜったい失敗しないので!!頚部・大動脈Plaque image DREAM－CAP法講師 8. 2022 第12回東海MRI技術研究会新規装置立ち上げ時の工夫や苦悩～次はあなたの番です～ベンダー変更編（GE → Siemens & Philips）講師 9. 2020 Philips MRI Gyro cup 2020 MRIのstartup echoのパラメータ変更による影響講師 10. 2019 中部放射線技術学会乳腺MRIにおける造影剤の違いによる影響講師 11. 2019 東海synegy研究会（Philips MRIユーザー会） SENSE法の基礎と撮影のTips！ーCompressed SENSEの使い分けを含めてー講師 12. 2017 東海MRI技術研究会磁気共鳴専門技術者認定機構試験の過去問、回答・解説講師 13. 2016 東三河RF研究会 DWIの画像診断(読影補助)の勘ドコロと次の一手！ -初心者～MRI♥の方まで意味ある追加撮影を目指して- 講師

Profile

Papers	1. 2025 Hiroki Okada, Norikazu Koori, Hatsune Shimizu, Shohei Yamamoto, Tetsuya Komatsuzaki, Hiraku Fuse, Kota Sasaki, Shin Miyakawa, Kenji Yasue, Masato Takahashi Development of Estimation Method for T₁ and T₂ Values using the Relaxivity of Contrast Agent and Coagulant for a Magnetic Resonance Imaging Phantom Radiological physics and technology 2025 in press 2. 2025 Norikazu Koori , Takahide Kato, Shohei Yamamoto, Mayumi Yasui, Kazuma Kurata, Takeshi Hasegawa, Fuminari Nishikawa, Masami Sugiyama, Reina Ishiguro, Yohei Takamatsu, Maho Higuchi, Hiroki Kobayashi, Hiroki Nakane, Hiraku Fuse, Kota Sasaki, Shin Miyakawa, Kenji Yasue, Masato Takahashi, Naoki Nosaka Influence of obtaining medical records and laboratory data on the sensitivity of diagnostic imaging assessment by radiological technologists Radiological physics and technology 2025 18(1):337-345. 3. 2025 Kenji Yasue, Hiraku Fuse, Minori Takaoka, Shin Miyakawa, Norikazu Koori, Masato Takahashi, Kazuya Shinoda, Hideaki Ikoma, Tatsuya Fujisaki, Shinji Abe Optimization of image reconstruction technique for respiratory-gated lung stereotactic body radiotherapy treatment planning using four-dimensional CT: a phantom study Radiological physics and technology 2024 18(1):27-35. 4. 2024 Hiraku Fuse, Fumihiro Tomita, Tatsuya Fujisaki, Kenji Yasue, Shin Miyakawa, Norikazu Koori, Shinji Abe Three-dimensional thermal analysis of thermal characteristics in a water-equivalent phantom thermal analysis of water-equivalent phantom Radiation Physics and Chemistry 2024 217 111458-111458. 5. 2024 Norikazu Koori, Hiroki Kamekawa, Takehiro Naito, Yasuo Takatsu, Hiraku Fuse, Shin Miyakawa, Kenji Yasue, Masato Takahashi, Kazuma Kurata Carotid and Aortic Plaque Imaging Using 3D Gradient-echo Imaging and the Three-point Dixon Method with Improved Motion-Sensitized Driven-Equilibrium (iMSDE) Magnetic resonance imaging 2024 111 202-209. 6. 2023 Norikazu Koori, Hiroki Kamekawa, Nanami Mukawa, Hiraku Fuse, Shin Miyakawa, Kenji Yasue, Masato Takahashi, Masanori Yamada, Atsushi Hemmi, Toshifumi Kusumoto, Kazuma Kurata Relationship between Imaging Parameters and Distortion in Magnetic Resonance Images for Gamma Knife Treatment Planning Journal of applied clinical medical physics 2023 e14205 7. 2023 Norikazu Koori, Hiroki Kamekawa, Maho Higuchi, Hiraku Fuse, Shin Miyakawa, Kenji Yasue, Kazuma Kurata Influence of Half Fourier and Elliptical scanning (radial scan) on Magnetic Resonance Images Journal of Magnetic Resonance 2023 355:107560 8. 2023 Hiraku Fuse, Fumihiro Tomita, Kenji Yasue, Hideaki Ikoma, Shin Miyakawa, Norikazu Koori, Tatsuya Fujisaki, Yoshiyuki Ishimori, Masahiko Monma, Toshiyuki Okumura, Yoshio Tamaki Verification of Dose Distribution by Different Material Properties in Intraoral Mold Irradiation Journal of Radiotherapy in Practice 2023 22:e71 9. 2023 Norikazu Koori, Joe Senda, Takehiro Naito The Usefulness of the Apparent Diffusion Coefficient Value in Diagnosing Acute Spinal Cord Ischemia Nagoya Journal of Medical Science 2023 85(3):612-618. 10. 2023 Shin Miyakawa, Hiraku Fuse, Kenji Yasue, Norikazu Koori, Shunsuke Moriya, Fumihiro Tomita, Ren Yazawa, Maho Hanatani, Tatsuya Fujisaki Effect of Applying Noise Reduction Filters to Quantum Noise on the Calculation Accuracy of CT Ventilation Imaging 2023 AAPM Annual Meeting & Exhibition 2023 11. 2022 Norikazu Koori, Akiko Maeda, Mayumi Yasui, Yudai Suzuki, Yusuke Yoshida, Kazuma Kurata, Hiroko Nishikawa Protective Effect of Oral Steroid Premedication: Adverse Reactions to Nonionic Iodine Contrast Media for Computed Tomography Open journal radiology 2022 12(3):102-112. 12. 2022 Norikazu Koori, Tosiaki Miyati, Naoki Ohno, Hiroko Kawashima, Hiroko Nishikawa. Sigmoid Model Analysis of Breast Dynamic Contrast-Enhanced MRI: Distinguishing between Benign and Malignant Breast Masses and Breast Cancer Subtype Prediction Journal of Applied Clinical Medical Physics 2022 e13651.

Papers

1. 2025 Hiroki Okada, Norikazu Koori, Hatsune Shimizu, Shohei Yamamoto, Tetsuya Komatsuzaki, Hiraku Fuse, Kota Sasaki, Shin Miyakawa, Kenji Yasue, Masato Takahashi Development of Estimation Method for T₁ and T₂ Values using the Relaxivity of Contrast Agent and Coagulant for a Magnetic Resonance Imaging Phantom Radiological physics and technology 2025 in press
2. 2025 Norikazu Koori , Takahide Kato, Shohei Yamamoto, Mayumi Yasui, Kazuma Kurata, Takeshi Hasegawa, Fuminari Nishikawa, Masami Sugiyama, Reina Ishiguro, Yohei Takamatsu, Maho Higuchi, Hiroki Kobayashi, Hiroki Nakane, Hiraku Fuse, Kota Sasaki, Shin Miyakawa, Kenji Yasue, Masato Takahashi, Naoki Nosaka Influence of obtaining medical records and laboratory data on the sensitivity of diagnostic imaging assessment by radiological technologists Radiological physics and technology 2025 18(1):337-345.
3. 2025 Kenji Yasue, Hiraku Fuse, Minori Takaoka, Shin Miyakawa, Norikazu Koori, Masato Takahashi, Kazuya Shinoda, Hideaki Ikoma, Tatsuya Fujisaki, Shinji Abe Optimization of image reconstruction technique for respiratory-gated lung stereotactic body radiotherapy treatment planning using four-dimensional CT: a phantom study Radiological physics and technology 2024 18(1):27-35.
4. 2024 Hiraku Fuse, Fumihiro Tomita, Tatsuya Fujisaki, Kenji Yasue, Shin Miyakawa, Norikazu Koori, Shinji Abe Three-dimensional thermal analysis of thermal characteristics in a water-equivalent phantom thermal analysis of water-equivalent phantom Radiation Physics and Chemistry 2024 217 111458-111458.
5. 2024 Norikazu Koori, Hiroki Kamekawa, Takehiro Naito, Yasuo Takatsu, Hiraku Fuse, Shin Miyakawa, Kenji Yasue, Masato Takahashi, Kazuma Kurata Carotid and Aortic Plaque Imaging Using 3D Gradient-echo Imaging and the Three-point Dixon Method with Improved Motion-Sensitized Driven-Equilibrium (iMSDE) Magnetic resonance imaging 2024 111 202-209.
6. 2023 Norikazu Koori, Hiroki Kamekawa, Nanami Mukawa, Hiraku Fuse, Shin Miyakawa, Kenji Yasue, Masato Takahashi, Masanori Yamada, Atsushi Hemmi, Toshifumi Kusumoto, Kazuma Kurata Relationship between Imaging Parameters and Distortion in Magnetic Resonance Images for Gamma Knife Treatment Planning Journal of applied clinical medical physics 2023 e14205
7. 2023 Norikazu Koori, Hiroki Kamekawa, Maho Higuchi, Hiraku Fuse, Shin Miyakawa, Kenji Yasue, Kazuma Kurata Influence of Half Fourier and Elliptical scanning (radial scan) on Magnetic Resonance Images Journal of Magnetic Resonance 2023 355:107560
8. 2023 Hiraku Fuse, Fumihiro Tomita, Kenji Yasue, Hideaki Ikoma, Shin Miyakawa, Norikazu Koori, Tatsuya Fujisaki, Yoshiyuki Ishimori, Masahiko Monma, Toshiyuki Okumura, Yoshio Tamaki Verification of Dose Distribution by Different Material Properties in Intraoral Mold Irradiation Journal of Radiotherapy in Practice 2023 22:e71
9. 2023 Norikazu Koori, Joe Senda, Takehiro Naito The Usefulness of the Apparent Diffusion Coefficient Value in Diagnosing Acute Spinal Cord Ischemia Nagoya Journal of Medical Science 2023 85(3):612-618.
10. 2023 Shin Miyakawa, Hiraku Fuse, Kenji Yasue, Norikazu Koori, Shunsuke Moriya, Fumihiro Tomita, Ren Yazawa, Maho Hanatani, Tatsuya Fujisaki Effect of Applying Noise Reduction Filters to Quantum Noise on the Calculation Accuracy of CT Ventilation Imaging 2023 AAPM Annual Meeting & Exhibition 2023
11. 2022 Norikazu Koori, Akiko Maeda, Mayumi Yasui, Yudai Suzuki, Yusuke Yoshida, Kazuma Kurata, Hiroko Nishikawa Protective Effect of Oral Steroid Premedication: Adverse Reactions to Nonionic Iodine Contrast Media for Computed Tomography Open journal radiology 2022 12(3):102-112.
12. 2022 Norikazu Koori, Tosiaki Miyati, Naoki Ohno, Hiroko Kawashima, Hiroko Nishikawa. Sigmoid Model Analysis of Breast Dynamic Contrast-Enhanced MRI: Distinguishing between Benign and Malignant Breast Masses and Breast Cancer Subtype Prediction Journal of Applied Clinical Medical Physics 2022 e13651.