Kojima Tsukasa 小島宰

Researcher Number	60749034
Other IDs
Affiliation (Current)	2025: 九州大学, 医学研究院, 助教
Affiliation (based on the past Project Information) *help	2018 – 2023: 九州大学, 大学病院, 診療放射線技師
Review Section/Research Field	Principal Investigator Basic Section 52040:Radiological sciences-related
Keywords	Principal Investigator 心疾患 / 心電図同期CT画像 / 冠動脈石灰化スコア / 深層学習 / 心電図同期CT / 微小血管側副路 / 梗塞心筋 / 適応心拍数 / 画像ノイズ / 高精細CT … More / 冠動脈ステント / 微小血管 / 心拍数 / 冠動脈CT / 超高精細CT Less

深層学習を用いた心電図同期CT画像の生成と心疾患予防医療への応用Principal Investigator
- Principal Investigator
  
  小島宰
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Kyushu University
Detection of Microvascular Collaterals in Ischemic Myocardium Using Ultra-high-resolution CTPrincipal Investigator
- Principal Investigator
  
  Kojima Tsukasa
- Project Period (FY)
  2018 – 2022
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Kyushu University

All 2023 2022 2021 2020 2019 2018

All Journal Article Presentation

[Journal Article] Effect of iodine concentration and body size on iodine subtraction in virtual non-contrast imaging: A phantom study2023
- Author(s)
  Shirasaka T.、Kojima T.、Yamane S.、Mikayama R.、Kawakubo M.、Funatsu R.、Kato T.、Ishigami K.、Funama Y.
- Journal Title
  
  Radiography
  
  Volume: 29 Issue: 3 Pages: 557-563
- DOI
  10.1016/j.radi.2023.03.003
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K14872
[Journal Article] The Feasibility of Deep Learning?Based Reconstruction for Low-Tube-Voltage CT Angiography for Transcatheter Aortic Valve Implantation2023
- Author(s)
  Kojima Tsukasa、Yamasaki Yuzo、Matsuura Yuko、Mikayama Ryoji、Shirasaka Takashi、Kondo Masatoshi、Kamitani Takeshi、Kato Toyoyuki、Ishigami Kousei、Yabuuchi Hidetake
- Journal Title
  
  Journal of Computer Assisted Tomography
  
  Volume: 48 Issue: 1 Pages: 77-84
- DOI
  10.1097/rct.0000000000001525
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K14872
[Journal Article] Deep-learning reconstruction for ultra-low-dose lung CT: Volumetric measurement accuracy and reproducibility of artificial ground-glass nodules in a phantom study2022
- Author(s)
  mikayama ryoji、Shirasaka Takashi、Kojima Tsukasa、Sakai Yuki、Yabuuchi Hidetake、Kondo Masatoshi、Kato Toyoyuki
- Journal Title
  
  The British Journal of Radiology
  
  Volume: 95 Issue: 1130
- DOI
  10.1259/bjr.20210915
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K15552
[Journal Article] Importance of the heart rate in ultra-high-resolution coronary CT angiography with 0.35?s gantry rotation time2022
- Author(s)
  Kojima Tsukasa、Shirasaka Takashi、Yamasaki Yuzo、Kondo Masatoshi、Hamasaki Hiroshi、Mikayama Ryoji、Sakai Yuki、Kato Toyoyuki、Nishie Akihiro、Ishigami Kousei、Yabuuchi Hidetake
- Journal Title
  
  Japanese Journal of Radiology
  
  Volume: 40 Issue: 8 Pages: 781-790
- DOI
  10.1007/s11604-022-01265-2
- Data Source
  KAKENHI-PROJECT-18K15552
[Journal Article] Low-radiation dose scan protocol for preoperative imaging for dental implant surgery using deep learning-based reconstruction in multidetector CT2022
- Author(s)
  Sakai Yuki、Kitamoto Erina、Okamura Kazutoshi、Takarabe Shinya、Shirasaka Takashi、Mikayama Ryoji、Kondo Masatoshi、Tatsumi Masato、Kojima Tsukasa、Kato Toyoyuki、Yoshiura Kazunori
- Journal Title
  
  Oral Radiology
  
  Volume: - Issue: 4 Pages: 517-526
- DOI
  10.1007/s11282-021-00584-w
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K15552, KAKENHI-PROJECT-18K17170
[Journal Article] A deep learning model based on fusion images of chest radiography and X-ray sponge images supports human visual characteristics of retained surgical items detection2022
- Author(s)
  Kawakubo Masateru、Waki Hiroto、Shirasaka Takashi、Kojima Tsukasa、Mikayama Ryoji、Hamasaki Hiroshi、Akamine Hiroshi、Kato Toyoyuki、Baba Shingo、Ushiro Shin、Ishigami Kousei
- Journal Title
  
  International Journal of Computer Assisted Radiology and Surgery
  
  Volume: - Issue: 8 Pages: 1459-1467
- DOI
  10.1007/s11548-022-02816-8
- Data Source
  KAKENHI-PROJECT-18K15552
[Journal Article] Characteristics of the deep learning-based virtual monochromatic image with fast kilovolt-switching CT: a phantom study2022
- Author(s)
  Katsuyama Yuna、Kojima Tsukasa、Shirasaka Takashi、Kondo Masatoshi、Kato Toyoyuki
- Journal Title
  
  Radiological Physics and Technology
  
  Volume: 16 Issue: 1 Pages: 77-84
- DOI
  10.1007/s12194-022-00695-x
- Data Source
  KAKENHI-PROJECT-18K15552
[Journal Article] Influence of beam hardening in dual-energy CT imaging: phantom study for iodine mapping, virtual monoenergetic imaging, and virtual non-contrast imaging2021
- Author(s)
  Kanatani Risa、Shirasaka Takashi、Kojima Tsukasa、Kato Toyoyuki、Kawakubo Masateru
- Journal Title
  
  European Radiology Experimental
  
  Volume: 5 Issue: 1
- DOI
  10.1186/s41747-021-00217-1
- NAID
  120007032656
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K15552
[Journal Article] Image quality improvement with deep learning‐based reconstruction on abdominal ultrahigh‐resolution CT: A phantom study2021
- Author(s)
  Shirasaka Takashi、Kojima Tsukasa、Funama Yoshinori、Sakai Yuki、Kondo Masatoshi、Mikayama Ryoji、Hamasaki Hiroshi、Kato Toyoyuki、Ushijima Yasuhiro、Asayama Yoshiki、Nishie Akihiro
- Journal Title
  
  Journal of Applied Clinical Medical Physics
  
  Volume: 22 Issue: 7 Pages: 286-296
- DOI
  10.1002/acm2.13318
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K15552
[Journal Article] A novel fast kilovoltage switching dual-energy CT with deep learning: Accuracy of CT number on virtual monochromatic imaging and iodine quantification2021
- Author(s)
  Kojima Tsukasa、Shirasaka Takashi、Kondo Masatoshi、Kato Toyoyuki、Nishie Akihiro、Ishigami Kousei、Yabuuchi Hidetake
- Journal Title
  
  Physica Medica
  
  Volume: 81 Pages: 253-261
- DOI
  10.1016/j.ejmp.2020.12.018
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K15552
[Journal Article] Low Radiation Dose and High Image Quality of 320-Row Coronary Computed Tomography Angiography Using a Small Dose of Contrast Medium and Refined Scan Timing Prediction2020
- Author(s)
  Shirasaka Takashi、Nagao Michinobu、Yamasaki Yuzo、Kojima Tsukasa、Kondo Masatoshi、Hamasaki Hiroshi、Kamitani Takeshi、Kato Toyoyuki、Asayama Yoshiki
- Journal Title
  
  Journal of Computer Assisted Tomography
  
  Volume: 44 Issue: 1 Pages: 7-12
- DOI
  10.1097/rct.0000000000000951
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K08209, KAKENHI-PROJECT-18K15552, KAKENHI-PROJECT-17K16452, KAKENHI-PROJECT-20K16728
[Journal Article] New transluminal attenuation gradient derived from dynamic coronary CT angiography: diagnostic ability of ischemia detected by 13N-ammonia PET2020
- Author(s)
  Kojima Tsukasa、Nagao Michinobu、Yabuuchi Hidetake、Yamasaki Yuzo、Shirasaka Takashi、Kawakubo Masateru、Fukushima Kenji、Kato Toyoyuki、Yamamoto Atsushi、Nakao Risako、Sakai Akiko、Watanabe Eri、Sakai Shuji
- Journal Title
  
  Heart and Vessels
  
  Volume: 36 Issue: 4 Pages: 433-441
- DOI
  10.1007/s00380-020-01712-y
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K08209, KAKENHI-PROJECT-18K15552, KAKENHI-PROJECT-18K07733
[Journal Article] Effect of scan mode and focal spot size in airway dimension measurements for ultra-high-resolution computed tomography of chronic obstructive pulmonary disease: A COPDGene phantom study2020
- Author(s)
  Mikayama Ryoji、Shirasaka Takashi、Yabuuchi Hidetake、Sakai Yuki、Kojima Tsukasa、Kondo Masatoshi、Yoshikawa Hideki、Kato Toyoyuki
- Journal Title
  
  Physica Medica
  
  Volume: 70 Pages: 102-108
- DOI
  10.1016/j.ejmp.2019.12.025
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K15552
[Journal Article] Dynamic Coronary 320-Row CT Angiography Using Low-Dose Contrast and Temporal Maximum Intensity Projection: A Comparison with Standard Coronary CT Angiography2019
- Author(s)
  Kojima Tsukasa、Yamasaki Yuzo、Kamitani Takeshi、Yabuuchi Hidetake、Shirasaka Takashi、Shimomiya Yamato、Kondo Masatoshi、Hamasaki Hiroshi、Kato Toyoyuki、Nagao Michinobu、Honda Hiroshi
- Journal Title
  
  Cardiovascular Imaging Asia
  
  Volume: 3 Issue: 1 Pages: 1-1
- DOI
  10.22468/cvia.2018.00213
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K15552
[Presentation] Deep Learning Based Spectral CT頭部スキャンモードにおける仮想単色X線画像のCT値とヨード密度値の線量依存性2023
- Author(s)
  赤嶺寛地, 小島宰, 白坂崇, 舩津亮平, 加藤豊幸
- Organizer
  79回日本放射線技術学会総会学術大会
- Data Source
  KAKENHI-PROJECT-23K14872
[Presentation] 造影剤投与4分後の心電図非同期CT撮影による心筋ECV評価2023
- Author(s)
  小島宰
- Organizer
  令和5年度日本放射線技術学会九州支部CTセミナー
- Invited
- Data Source
  KAKENHI-PROJECT-23K14872
[Presentation] 超高精細CTを用いた冠動脈CTにおける心拍数の重要性2023
- Author(s)
  小島宰
- Organizer
  第6回超高精細CT研究会
- Data Source
  KAKENHI-PROJECT-18K15552
[Presentation] Deep Learning Based Spectral CTによる冠動脈Dual Energy CTと心拍数の関係性2023
- Author(s)
  三賀山諒司, 小島宰, 白坂崇, 山根志穂, 舩津亮平, 加藤豊幸, 藪内英剛
- Organizer
  79回日本放射線技術学会総会学術大会
- Data Source
  KAKENHI-PROJECT-23K14872
[Presentation] 造影剤投与4分後の心電図非同期CT撮影による心筋ECV評価2023
- Author(s)
  小島宰
- Organizer
  2023 Build Out Community
- Invited
- Data Source
  KAKENHI-PROJECT-23K14872
[Presentation] 造影剤投与4分後の心電図非同期CT撮影による心筋ECV評価2023
- Author(s)
  小島宰, 山崎誘三, 西懸大介, 白坂崇, 藪内英剛, 加藤豊幸, 石神康生
- Organizer
  79回日本放射線技術学会総会学術大会
- Data Source
  KAKENHI-PROJECT-23K14872
[Presentation] 少量造影剤による低管電圧TAVI-CTにおけるDeep Learning Reconstructionの有用性2022
- Author(s)
  小島宰, 山崎誘三, 松浦由布子, 白坂崇, 加藤豊幸, 藪内英剛, 石神康生
- Organizer
  第78回日本放射線技術学会総会学術大会
- Data Source
  KAKENHI-PROJECT-18K15552
[Presentation] 最新の心臓CT画像再構成2022
- Author(s)
  小島宰
- Organizer
  Alliance for Revolution and Interventional Cardiology Advancement (ARIA) 2022
- Invited
- Data Source
  KAKENHI-PROJECT-18K15552
[Presentation] Deep learningを用いたDual energy CTにおける仮想単色X線画像の画質評価2022
- Author(s)
  勝山裕菜, 小島宰, 白坂崇, 近藤雅敏, 加藤豊幸
- Organizer
  第10回日本CT技術学会
- Data Source
  KAKENHI-PROJECT-18K15552
[Presentation] 胸部エックス線画像の深層学習による外科手術に伴う体内遺残物検出システムの開発2022
- Author(s)
  河窪正照, 脇大登, 白坂崇, 小島宰, 三賀山諒司, 濱崎洋志, 濱崎洋志, 加藤豊幸
- Organizer
  第78回日本放射線技術学会総会学術大会
- Data Source
  KAKENHI-PROJECT-18K15552
[Presentation] Virtual non-contrast画像におけるヨード濃度と体格の影響2022
- Author(s)
  白坂崇, 小島宰, 山根志穂, 舩津亮平, 加藤豊幸, 船間芳憲
- Organizer
  第10回日本CT技術学会
- Data Source
  KAKENHI-PROJECT-18K15552
[Presentation] Hybrid analysis of transluminal attenuation gradient and dynamic 320- detector coronary CT angiography: detection of functional coronary stenosis2019
- Author(s)
  T. Kojima, M. Nagao, T. Shirasaka, M. Kawakubo, Y. Shimomiya, Y. Yamasaki, T. Kato, S. Sakai
- Organizer
  European Congress of Radiology 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K15552
[Presentation] Effect of the scan mode and focal spot size on airway measurement for ultra-high-resolution CT2019
- Author(s)
  Ryoji Mikayama, Takashi Shirasaka, Hidetake Yabuuchi, Yuki Sakai, Tsukasa Kojima, Masatoshi Kondo, Hideki Yoshikawa, Toyoyuki Kato
- Organizer
  European Congress of Radiology 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K15552
[Presentation] 高精細CTを用いた冠動脈ステントの内腔評価における心拍数の影響2019
- Author(s)
  小島宰、安松昇悟、白坂崇、近藤雅敏、加藤豊幸
- Organizer
  第47回日本放射線技術学会秋季学術大会
- Data Source
  KAKENHI-PROJECT-18K15552
[Presentation] Relationship between vessel shape and heart rate of coronary CT angiography with ultra-high-resolution CT - Phantom study -2019
- Author(s)
  Tsukasa Kojima, Takashi Shirasaka, Yuzo Yamasaki, Ryoji Mikayama, Ryoji Matsumoto, Yuki Sakai, Masatoshi Kondo, Toyoyuki Kato
- Organizer
  第75回日本放射線技術学会総会学術大会
- Data Source
  KAKENHI-PROJECT-18K15552
[Presentation] 超高精細 CT における腹部 dynamic CT の画質向上; deep learning 応用再構成の画質評価2019
- Author(s)
  白坂崇，浅山良樹，船間芳憲，酒井友貴，小島宰，三賀山諒司，日置一仁，近藤雅敏，加藤豊幸，西江昭弘
- Organizer
  日本 CT 技術学会第 7 回学術大会
- Data Source
  KAKENHI-PROJECT-18K15552
[Presentation] 超高精細CTを用いたDual energy CT angiographyにおけるカルシウム除去精度の向上2019
- Author(s)
  白坂　崇，船間　芳憲，小島　宰，酒井　友貴，三賀山　諒司，近藤　雅敏，加藤　豊幸
- Organizer
  第75回日本放射線技術学会総会学術大会
- Data Source
  KAKENHI-PROJECT-18K15552
[Presentation] 顎顔面領域CT検査における逐次近似応用再構成を併用したたれ付き検出器ノンヘリカル撮影の有用性2019
- Author(s)
  酒井友貴、北本江梨奈、加美由紀子、白坂崇、辰見正人、近藤雅敏、岡村和俊、小島宰、安松昇悟、三賀山諒司、加藤豊幸
- Organizer
  日本CT技術学会第7回学術大会
- Data Source
  KAKENHI-PROJECT-18K15552
[Presentation] 冠動脈ステントの内腔評価における超高精細CTの撮影モードの影響2018
- Author(s)
  小島宰, 白坂崇, 船間芳憲 , 濱崎洋志, 松本亮二, 近藤雅敏, 吉川英樹
- Organizer
  第74回日本放射線技術学会総会学術大会
- Data Source
  KAKENHI-PROJECT-18K15552
[Presentation] 超高精細CTの撮影モードと焦点サイズが画質に与える影響2018
- Author(s)
  三賀山諒司, 白坂崇, 酒井友貴, 小島宰, 近藤雅敏, 吉川英樹, 梅津芳幸
- Organizer
  第74回日本放射線技術学会総会学術大会
- Data Source
  KAKENHI-PROJECT-18K15552
[Presentation] 超高精細CTを用いた冠動脈CTにおけるHigh kVp撮影の有用性について2018
- Author(s)
  白坂崇, 小島宰, 船間芳憲 , 濱崎洋志, 松本亮二, 近藤雅敏, 吉川英樹
- Organizer
  第74回日本放射線技術学会総会学術大会
- Data Source
  KAKENHI-PROJECT-18K15552

1. NAGAO Michinobu

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results

Kojima Tsukasa 小島 宰

Research Projects

Research Products

Co-Researchers

深層学習を用いた心電図同期CT画像の生成と心疾患予防医療への応用Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Detection of Microvascular Collaterals in Ischemic Myocardium Using Ultra-high-resolution CTPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Effect of iodine concentration and body size on iodine subtraction in virtual non-contrast imaging: A phantom study2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] The Feasibility of Deep Learning?Based Reconstruction for Low-Tube-Voltage CT Angiography for Transcatheter Aortic Valve Implantation2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Deep-learning reconstruction for ultra-low-dose lung CT: Volumetric measurement accuracy and reproducibility of artificial ground-glass nodules in a phantom study2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Importance of the heart rate in ultra-high-resolution coronary CT angiography with 0.35?s gantry rotation time2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Low-radiation dose scan protocol for preoperative imaging for dental implant surgery using deep learning-based reconstruction in multidetector CT2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A deep learning model based on fusion images of chest radiography and X-ray sponge images supports human visual characteristics of retained surgical items detection2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Characteristics of the deep learning-based virtual monochromatic image with fast kilovolt-switching CT: a phantom study2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Influence of beam hardening in dual-energy CT imaging: phantom study for iodine mapping, virtual monoenergetic imaging, and virtual non-contrast imaging2021

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] Image quality improvement with deep learning‐based reconstruction on abdominal ultrahigh‐resolution CT: A phantom study2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A novel fast kilovoltage switching dual-energy CT with deep learning: Accuracy of CT number on virtual monochromatic imaging and iodine quantification2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Low Radiation Dose and High Image Quality of 320-Row Coronary Computed Tomography Angiography Using a Small Dose of Contrast Medium and Refined Scan Timing Prediction2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] New transluminal attenuation gradient derived from dynamic coronary CT angiography: diagnostic ability of ischemia detected by 13N-ammonia PET2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Effect of scan mode and focal spot size in airway dimension measurements for ultra-high-resolution computed tomography of chronic obstructive pulmonary disease: A COPDGene phantom study2020

Author(s)

Journal Title

Kojima Tsukasa 小島宰