Hayashi Tastuya

Researcher Information

Affiliation

Department of Radiological Technology Senior Assistant Professor
Graduate School of Medical Care and Technology Senior Assistant Professor
Division of Clinical Radiology Senior Assistant Professor

URL

https://orcid.org/0000-0001-5269-4081

ORCID ID

•  https://orcid.org/0000-0001-5269-4081

J-Global ID

• 201601007221086625

Profile

• 「資格」
  
  診療放射線技師
  
  上級磁気共鳴技術者
  
  第１種放射線取扱主任者（合格）
  
  基本情報技術者
  
  初級システムアドミニストレータ

Research Interests

• liver   生体機能解析   磁気共鳴画像   MRI   

Research Areas

• Life sciences / Gastroenterology
• Life sciences / Radiology
• Energy / Quantum beam science

Academic & Professional Experience

• 2020/04 - Today  Teikyo Heisei University
• 2017 - Today  Teikyo Junior CollegeDepartment of Life Care
• 2016/04 - Today  Teikyo UniversityFaculty of Medical Technology, Department of Radiological Technology
• 2016/04 - Today  Teikyo UniversityHospital
• 2015/04 - 2016/03  Kanazawa UniversityInstitute of Medical, Pharmaceutical and Health Sciences, Faculty of Health Sciences

Education

• 2012/04 - 2015/03  Kanazawa University  Graduate School of Medical Science  Division of Health Science
• 2010/04 - 2012/03  Kanazawa University
• 2003/04 - 2007/03  Kanazawa University

Association Memberships

• THE JAPAN ASSOCIATION OF RADIOLOGICAL TECHNOLOGISTS   JAPANESE SOCIETY FOR MAGNETIC RESONANCE IN MEDICINE   JAPANESE SOCIETY OF RADIOLOGICAL TECHNOLOGY   

Research Activity Information

Published Papers

• Clinical application of single-shot fast spin-echo sequence for cerebrospinal fluid flow MR imaging.

  Takahito Bessho; Tatsuya Hayashi; Shuhei Shibukawa; Kazuyuki Kourin; Takashi Shouda

  Radiological physics and technology 17 (3) 782 - 792 2024/09 [Refereed]
  
• Influence of Gd-EOB-DTPA on proton-density fat fraction in the liver using chemical shift-encoded magnetic resonance imaging at 3-T

  Makoto Suzuki; Tatsuya Hayashi; Kazutaka Nashiki; Hidemichi Kawata; Shuji Nagata; Toshi Abe

  Radiological Physics and Technology Springer Science and Business Media LLC 1865-0333 2024/05 [Refereed]
  
• Evaluation of deep learning reconstruction on diffusion-weighted imaging quality and apparent diffusion coefficient using an ice-water phantom

  Tatsuya Hayashi; Shinya Kojima; Toshimune Ito; Norio Hayashi; Hiroshi Kondo; Asako Yamamoto; Hiroshi Oba

  Radiological Physics and Technology Springer Science and Business Media LLC 17 (1) 186 - 194 1865-0333 2023/12 [Refereed]
  
• Denoising using Noise2Void for low-field magnetic resonance imaging: A phantom study

  Shinya Kojima; Toshimune Ito; Tatsuya Hayashi

  Journal of Medical Physics Medknow 47 (4) 387 - 387 0971-6203 2023/01 [Refereed]
  
• Variability in contrast and apparent diffusion coefficient of kiwifruit used as prostate MRI phantom: 1-week validation

  Tatsuya Hayashi; Shimpei Yano; Shinya Kojima; Toshimune Ito

  Radiological Physics and Technology Springer Science and Business Media LLC 15 (4) 424 - 429 1865-0333 2022/12 [Refereed]
  
• Impact of arm position on vertebral bone marrow proton density fat fraction in chemical-shift-encoded magnetic resonance imaging: a preliminary study

  Tatsuya Hayashi; Shimpei Yano; Shuhei Shibukawa; Shinya Kojima; Toshimune Ito; Hiroshi Oba; Hiroshi Kondo; Asako Yamamoto; Takahide Okamoto

  Quantitative Imaging in Medicine and Surgery AME Publishing Company 12 (11) 5263 - 5270 2223-4292 2022/11 [Refereed]
  
• Adapting a low-count acquisition of the bone scintigraphy using deep denoising super-resolution convolutional neural network

  Toshimune Ito; Takafumi Maeno; Hirotatsu Tsuchikame; Masaaki Shishido; Kana Nishi; Shinya Kojima; Tatsuya Hayashi; Kentaro Suzuki

  Physica Medica Elsevier BV 100 18 - 25 1120-1797 2022/08 [Refereed]
  
• Influence of arm position on proton density fat fraction in the liver using chemical shift-encoded magnetic resonance imaging

  Watanabe S; Shibukawa S; Hayashi T; Tsuruya K; Niwa T

  Magnetic Resonance Imagingg 83 133 - 138 2021/11 [Refereed]
  
• Liver fat quantification with chemical shift-encoded MRI in non-alcoholic fatty liver disease

  Hayashi T

  Medical Imaging and Information Sciences 37 (4) 79 - 83 2020/12 [Refereed]
  
• Can Gd-EOB-DTPA Affect Proton Density Fat Fraction Using 6-point DIXON Methods? A Multicenter, Multivendor Phantom Study

  Hayashi T; Fukuzawa K; Yamazaki H; Konno T; Kotoku J; Saitoh S

  Open Jounal of Radiology 10 (1) 9 - 15 2020/03 [Refereed]
  
• Influence of motion artifacts on the VSRAD analysis results -A study on the analysis using pseudo motion images-

  Bessho T; Hayashi T; Shouda T

  Journal of JART 66 (7) 670 - 677 2019/07 [Refereed]
  
• Hepatic tumor classification using texture and topology analysis of non-contrast-enhanced three-dimensional T1-weighted MR images with a radiomics approach

  Oyama A; Hiraoka Y; Obayashi I; Saikawa Y; Furui S; Shiraishi K; Kumagai S; Hayashi T; Kotoku J

  Scientific Reports 9 (1) 8764 - 8764 2019/06 [Refereed]
  
• Influence of Gd-EOB-DTPA on T1 dependence of the proton density fat fraction using magnetic resonance spectroscopy.

  Tatsuya Hayashi; Kei Fukuzawa; Hiroshi Kondo; Hiroshi Onodera; Rie Tojo; Shimpei Yano; Tosiaki Miyati; Jun'ichi Kotoku; Takahide Okamoto; Keiko Toyoda; Hiroshi Oba

  Radiological physics and technology 11 (3) 338 - 344 1865-0333 2018/09 [Refereed]
  
• Multicenter, multivendor phantom study to validate proton density fat fraction and T2* values calculated using vendor-provided 6-point DIXON methods

  Tatsuya Hayashi; Kei Fukuzawa; Hidekazu Yamazaki; Takashi Konno; Tosiaki Miyati; Jun'ichi Kotoku; Hiroshi Oba; Hiroshi Kondo; Keiko Toyoda; Satoshi Saitoh

  Clinical Imaging Elsevier Inc. 51 38 - 42 1873-4499 2018/09 [Refereed]
  
• Influence of the reference scan and scan time on the arterial phase of liver magnetic resonance imaging

  Yoshinori Tsuji; Satoshi Saitoh; Junji Takahashi; Chisato Abe; Tatsuya Hayashi; Masahiro Kobayashi

  Radiological Physics and Technology Springer Tokyo 11 (1) 91 - 99 1865-0341 2018/03 [Refereed]
  
• Influence of Gd-EOB-DTPA on proton density fat fraction using the six-echo Dixon method in 3 Tesla magnetic resonance imaging.

  Tatsuya Hayashi; Kei Fukuzawa; Hiroshi Kondo; Hiroshi Onodera; Shuji Toyotaka; Rie Tojo; Shimpei Yano; Masakatsu Tano; Tosiaki Miyati; Jun'ichi Kotoku; Takahide Okamoto; Keiko Toyoda; Hiroshi Oba

  Radiological physics and technology 10 (4) 483 - 488 1865-0333 2017/12 [Refereed]
  
• Noninvasive Assessment of Advanced Fibrosis Based on Hepatic Volume in Patients with Nonalcoholic Fatty Liver Disease

  Tatsuya Hayashi; Satoshi Saitoh; Kei Fukuzawa; Yoshinori Tsuji; Junji Takahashi; Yusuke Kawamura; Norio Akuta; Masahiro Kobayashi; Kenji Ikeda; Takeshi Fujii; Tosiaki Miyati; Hiromitsu Kumada

  GUT AND LIVER EDITORIAL OFFICE GUT & LIVER 11 (5) 674 - 683 1976-2283 2017/09 [Refereed]
  
• Evaluation of six-point modified dixon and magnetic resonance spectroscopy for fat quantification: a fat–water–iron phantom study

  Kei Fukuzawa; Tatsuya Hayashi; Junji Takahashi; Chiharu Yoshihara; Masakatsu Tano; Jun’ichi Kotoku; Satoshi Saitoh

  Radiological Physics and Technology Springer Tokyo 10 (3) 349 - 358 1865-0341 2017/09 [Refereed]
  
• Hepatic fat quantification using the two-point Dixon method and fat color maps based on non-alcoholic fatty liver disease activity score

  Tatsuya Hayashi; Satoshi Saitoh; Junji Takahashi; Yoshinori Tsuji; Kenji Ikeda; Masahiro Kobayashi; Yusuke Kawamura; Takeshi Fujii; Masafumi Inoue; Tosiaki Miyati; Hiromitsu Kumada

  HEPATOLOGY RESEARCH WILEY 47 (5) 455 - 464 1386-6346 2017/04 [Refereed]
  
• Influence of Gadoxetate Disodium on Oxygen Saturation and Heart Rate during Dynamic Contrast-enhanced MR Imaging

  Tatsuya Hayashi; Satoshi Saitoh; Yoshinori Tsuji; Junji Takahashi; Naomi Tagaya; Mariko Hiramoto; Kei Fukuzawa; Masakatsu Tano; Tosiaki Miyati; Hiromitsu Kumada

  RADIOLOGY RADIOLOGICAL SOC NORTH AMERICA 276 (3) 756 - 765 0033-8419 2015/09 [Refereed]
  
• Combined multi-kernel chest computed tomography images optimized for depicting both lung and soft tissue

  Satoshi Takagi; Hiroyuki Nagase; Tatsuya Hayashi; Tamotsu Kita; Katsumi Hayashi; Shigeru Sanada; Masayuki Koike

  CLINICAL IMAGING ELSEVIER SCIENCE INC 38 (2) 104 - 108 0899-7071 2014/03 [Refereed]
  
• Triexponential diffusion analysis in invasive ductal carcinoma and fibroadenoma.

  Nakagawa M; Miyati T; Hayashi T; Kanao S; Taniguchi M; Higashimura K; Toi M; Togashi K

  Nihon Hoshasen Gijutsu Gakkai zasshi Japanese Society of Radiological Technology 70 (3) 199 - 205 0369-4305 2014/03 [Refereed]
  
• Diffusion analysis with triexponential function in hepatic steatosis

  Tatsuya Hayashi; Tosiaki Miyati; Junji Takahashi; Yoshinori Tsuji; Hidesato Suzuki; Naomi Tagaya; Mariko Hiramoto; Kei Fukuzawa; Masakatsu Tano; Satoshi Saitoh

  Radiological Physics and Technology Springer-Verlag Tokyo 7 (1) 89 - 94 1865-0341 2014 [Refereed]
  
• Combined multi-kernel head computed tomography images optimized for depicting both brain parenchyma and bone

  Satoshi Takagi; Hiroyuki Nagase; Tatsuya Hayashi; Tamotsu Kita; Katsumi Hayashi; Shigeru Sanada; Masayuki Koike

  JOURNAL OF X-RAY SCIENCE AND TECHNOLOGY IOS PRESS 22 (3) 369 - 376 0895-3996 2014 [Refereed]
  
• Multi inversion recovery pulseを用いた非造影MRAの腹部分枝血管描出のパラメータの検討

  林 亜優美; 高橋 順士; 辻 良憲; 林 達也; 多賀谷 菜穂美; 田野 政勝

  共済医報 国家公務員共済組合連合会 62 (4) 326 - 330 0454-7586 2013/11 [Refereed]
  
• Diffusion analysis with triexponential function in liver cirrhosis

  Tatsuya Hayashi; Tosiaki Miyati; Junji Takahashi; Kei Fukuzawa; Hironobu Sakai; Masakatsu Tano; Satoshi Saitoh

  Journal of Magnetic Resonance Imaging 38 (1) 148 - 153 1053-1807 2013/07 [Refereed]
  

Books etc

• MR撮像技術学

  日本放射線技術学会 (Joint work)オーム社 2024/10 9784274232626 xxiii, 526p
• プロトン密度脂肪分画（PDFF）測定の原理と脂肪肝への利用

  林達也 (Single work)インナービジョン 2023/08
• Clinical Investigation of Portal Hypertension

  Satoshi Saitoh; Tatsuya Hayashi (ContributorChapter 13: Portal Vein Hemodynamics: MR Imaging and MR Angiography)Springer 2019/02 9789811074240 153-164
• もう一度、単純Ｘ線撮影を考えよう～呼吸器科医師・整形外科医師・診療放射線技師を囲んで～

  林 達也 (Joint work)Rad Fan Vol.6 No.2 2008/01

Conference Activities & Talks

• まずはしっかり脂肪定量の基礎＆これを知らねば始まらない！脂肪定量のTIPS

  1st Cyber MRI Jump
• Phase contrast MRI：原理の復習

  林達也

  8th Cyber MRI Workshop  2023/01
• Chemical-shift-encoded magnetic resonanceimaging における腕の位置が椎骨骨髄のプロトン密度脂肪率に与える影響－論文アクセプトまでの道のり－

  林達也
• IR-SE法とVFA法によるT1計測：ファントム検証結果編

  林達也

  6rh Cyber MRI WorkshopIR
• 肝臓MRI研究のTips ～定量評価～

  林 達也

  第15回茨城MR技術研究会 ～腹部MRI撮像を極める～  2021/01
• キウイフルーツは前立腺ファントムになりうるか！？～Mullerらの報告より～

  林 達也

  3rd Cyber MRI Workshop  2020/07
• 「この画像歪んでます？…EPIじゃないのに」論文紹介

  林 達也

  2nd Cyber MRI Workshop  2019/11
• MRI～磁石の力で身体を診る～

  Tatsuya Hayashi

  夢ナビ2019  2019/06
• 肝臓MRI 研究あれこれ

  林 達也

  第7回 北陸撮影技術研究会  2018/07
• Gd-EOB-DTPAを用いた肝臓ダイナミックMRIにおける動脈相のアーチファクトについて～論文投稿報告と最近のトピックス～

  林 達也

  第16回金沢MRIセミナー  2016/02
• 論文投稿報告

  林 達也

  第7回MRI advanced technology seminar  2015/01
• 脾臓におけるIntravoxel Incoherent Motion(IVIM)‐DWI:肝硬変による影響

  林達也; 宮地利明; 高橋順士; 辻良憲; 田野政勝; 斎藤聡

  日本放射線技術学会雑誌  2014/09
• Diffusion analysis with triexponential function in liver steatosis

  Tatsuya Hayashi

  RSNA 2013  2013/12
• Spin echo (SE) 法をしっかり理解する

  林 達也

  第36回東京MR励起会  2013/06
• Diffusion analysis with triexponential function in liver cirrhosis

  Tatsuya Hayashi

  RSNA2012  2012/11
• スピンラベリング法を用いた非造影MRAにおけるGd‐EOB‐DTPAの影響について

  林達也; 高橋順士; 福澤圭; 濱田祐介; 辻良憲; 大澤菜穂美; 斎藤聡

  日本放射線技術学会総会学術大会予稿集  2012/02
• 肝臓における拡散MRIのtri‐exponential関数解析

  林達也; 宮地利明; 高橋順士; 福澤圭; 斎藤聡

  日本放射線技術学会雑誌  2011/09
• MRI画像による上部気道評価~撮像方法の検討~

  林達也; 濱田祐介; 辻良憲; 高橋順士; 山瀬裕美

  日本放射線技術学会東京部会雑誌  2009/07
• Gd‐EOB‐DTPAとGd‐DTPAにおけるR1値とR2値の比較

  辻良憲; 濱田祐介; 福沢圭; 松下奈保子; 林達也; 高橋順士; 鈴木斎

  日本放射線技術学会総会学術大会予稿集  2009/02
• early CT signの読影支援を目的としたDICOM viewerの開発

  長瀬博之; 高木聡志; 作田啓太; 別所貴仁; 林達也; 齊藤雅之

  日本放射線技術学会総会学術大会予稿集  2009/02
• Gd‐EOB‐DTPA造影MRIにおける造影コントラストの検討

  松下奈保子; 斎藤聡; 濱田祐介; 吉田孝; 辻良憲; 林達也; 依田彰吾; 平本真理子; 高橋順士; 鈴木斎

  共済医報  2008/10
• ハイブリッドCT画像を対象とした改良型dual‐window viewerの開発

  高木聡志; 林達也; 別所貴仁; 作田啓太; 長瀬博之; 齊藤雅之

  日本放射線技術学会総会学術大会予稿集  2008

MISC

• Chemical-shift-encoded magnetic resonance imagingにおける腕の位置が椎骨骨髄のプロトン密度脂肪率に与える影響～論文アクセプトまでの道のり～

  Tatsuya Hayashi  Kitakyushu Association of Radiological Technology  74-  (4)  2  -5  2023/07  [Invited]
  
• Evaluation of T1 relaxation time measurement using magnetic resonance spectroscopy unobstructed by the presence of fat: A liver phantom study.

  Makoto Suzuki; Tatsyuya Hayashi; Kazutaka Nashiki; Hidemichi Kawata; Shuji Nagata; Toshi Abe  Proceedings of ISMRM  31-  5395  2023/05  [Refereed]
  
• Influence of arm position on proton density fat fraction in vertebral bone marrow using chemical shift-encoded magnetic resonance imaging

  Hayashi T; Yano S; Shibukawa S; Ito T; Kojima S  Proceedings of ISMRM  30-  5068  2022  [Refereed]
  
• Correction to: Influence of Gd-EOB-DTPA on proton density fat fraction using the six-echo Dixon method in 3 Tesla magnetic resonance imaging.

  Tatsuya Hayashi; Kei Fukuzawa; Hiroshi Kondo; Hiroshi Onodera; Shuji Toyotaka; Rie Tojo; Shimpei Yano; Masakatsu Tano; Tosiaki Miyati; Jun'ichi Kotoku; Takahide Okamoto; Keiko Toyoda; Hiroshi Oba  Radiological physics and technology  11-  (2)  262  -262  2018/06  [Refereed]
  
• My Participation in RSNA（Radiological Society of North America）2013

  Hayashi Tatsuya; Takata Tadanori; Hikishima Keigo  Jpn. J. Radiol. Technol.  70-  (5)  490  -494  2014
• Analysis of swallowing dynamics using a digital X-ray fluoroscopy

  Hayashi T; Sanada S; Takahashi T; Shimizu M  日本放射線技術学会中部部会誌  9-  (1)  76  -76  2007

Awards & Honors

• 2025/05 International Society for MR Radiographers & Technologists 3rd Place Poster PresentaƟon for Proffered Papers – Clinical Focus
   

  受賞者: Makoto Suzuki;Tatsuya Hayashi
• 2025/04 日本放射線技術学会、日本医学物理学会 Radiological Physics and Technology (RPT) Outstanding Reviewer Award
   

  受賞者: Tatsuya Hayashi
• 2023/05 International Society for MR Radiographers & Technologists 3rd Place Poster Award – Research Focus award at the ISMRT Annual Meeting
   

  受賞者: Makoto Suzuki;Tatsuya Hayashi
• 2022/05 International Society for MR Radiographers & Technologists First Place Research Focus Electronic Poster Award at the Joint Annual Meeting ISMRM-ESMRMB & ISMRT 31st Annual Meeting
   

  受賞者: Tatsuya Hayashi
• 2019/04 Japanese Society of Radiological Technology Research and Technological Award (MR)
   

  受賞者: Tatsuya Hayashi
• 2016/06 日本放射線技術学会 第72回日本放射線技術学会総会学術大会 座長推薦優秀研究発表
   

  受賞者: 林 達也
• 2014/12 日本放射線技術学会 第42回日本放射線技術学会秋季学術大会 座長推薦優秀研究発表
   

  受賞者: 林 達也
• 2014/06 日本放射線技術学会 第70回日本放射線技術学会総会学術大会 座長推薦優秀研究発表
   

  受賞者: 林 達也
• 2009/04 放射線技術学会東京部会 2008年度新人研究奨励賞
   

  受賞者: 林 達也

Research Grants & Projects

• 手関節リウマチにおける活動性滑膜炎の非造影MR灌流画像評価法の開発

  日本学術振興会：科学研究費助成事業

  Date (from‐to) : 2024/04 -2027/03 

  Author : 山本 麻子; 河野 肇; 林 達也; 小島 慎也; 西村 慶太
• MRIの臨床画像における客観性・定量性を兼ね備えた信号雑音比測定法に関する研究

  日本学術振興会：科学研究費助成事業

  Date (from‐to) : 2023/04 -2026/03 

  Author : 小島 慎也; 町田 治彦; 篠原 廣行; 林 達也
• Diffusion Analysis with Triexponential Function in Liver Steatosis

  日本放射線技術学会：平成25 年度後期国際研究集会派遣

  Author : Tatsuya Hayashi

Others

• 初級システムアドミニストレータ
• 基本情報技術者
• 第１種放射線取扱主任者（合格）
• 上級磁気共鳴技術者
• 診療放射線技師