基本情報

学位

• 博士（医学）(京都大学)

経歴

• 京都大学

ID,URL

• J-Global ID

  201401066570466665

researchmap URL

• https://researchmap.jp/7000008108

研究

研究分野

• ライフサイエンス, 放射線科学

論文

• Antigravity muscle density on computed tomography and health-related independence in normal weight patients with chronic obstructive pulmonary disease.

  Satoru Terada; Naoya Tanabe; Tomoki Maetani; Yusuke Shiraishi; Kunihiko Terada; Hiroshi Shima; Tsuyoshi Oguma; Ryo Sakamoto; Megumi Kanasaki; Izuru Masuda; Atsuyasu Sato; Susumu Sato; Toyohiro Hirai

  Respiratory research, 2025年04月13日

  この論文にアクセスする：

  
• Prognostic value of a composite physiologic index developed by adding bronchial and hyperlucent volumes quantified via artificial intelligence technology.

  Michihiro Uyama; Tomohiro Handa; Ryuji Uozumi; Seishu Hashimoto; Yoshio Taguchi; Kohei Ikezoe; Kiminobu Tanizawa; Naoya Tanabe; Tsuyoshi Oguma; Atsushi Matsunashi; Takafumi Niwamoto; Hiroshi Shima; Ryobu Mori; Tomoki Maetani; Yusuke Shiraishi; Tomomi W Nobashi; Ryo Sakamoto; Takeshi Kubo; Akihiko Yoshizawa; Kazuhiro Terada; Yuji Nakamoto; Toyohiro Hirai

  Respiratory research, 2024年12月24日

  この論文にアクセスする：

  
• Computed tomography morphological assessments of central airways in interstitial lung abnormalities and idiopathic pulmonary fibrosis.

  Tomoki Maetani; Naoya Tanabe; Kiminobu Tanizawa; Ryo Sakamoto; Yusuke Shiraishi; Yusuke Hayashi; Michihiro Uyama; Atsushi Matsunashi; Susumu Sato; Katsuhiro Suzuki; Izuru Masuda; Motonari Fukui; Shizuo Kaji; Tomohiro Handa; Toyohiro Hirai

  Respiratory research, 2024年11月10日

  この論文にアクセスする：

  
• Lower skeletal muscle density and airway structure on computed tomography in asthma.

  Yusuke Hayashi; Naoya Tanabe; Kaoruko Shimizu; Tomoki Maetani; Yusuke Shiraishi; Tsuyoshi Oguma; Hironobu Sunadome; Ryo Sakamoto; Atsuyasu Sato; Susumu Sato; Hiroshi Date; Hisako Matsumoto; Toyohiro Hirai

  Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology, 2024年08月22日

  この論文にアクセスする：

  
• Mucus plugging on computed tomography and the sputum microbiome in patients with asthma, chronic obstructive pulmonary disease, and asthma-COPD overlap.

  Naoya Tanabe; Hisako Matsumoto; Chie Morimoto; Yusuke Hayashi; Ryo Sakamoto; Tsuyoshi Oguma; Tadao Nagasaki; Hironobu Sunadome; Atsuyasu Sato; Susumu Sato; Kai Ohashi; Takamitsu Tsukahara; Toyohiro Hirai

  Allergology international : official journal of the Japanese Society of Allergology, 2024年07月15日

  
• Other iatrogenic immunodeficiency-associated lymphoproliferative disorders in a patient with anti-melanoma differentiation-associated gene 5-positive dermatomyositis: A case report and systematic literature review.

  Nozomi Nishimura; Takafumi Niwamoto; Yasuyuki Arai; Ran Nakashima; Kazuhiro Terada; Akihiko Yoshizawa; Ryo Sakamoto; Kiminobu Tanizawa; Tomohiro Handa; Akio Morinobu; Toyohiro Hirai

  International journal of rheumatic diseases, 2023年06月

  
• 肺腺癌術前CTにおけるRadiomics特徴量を用いたSTAS予測モデル

  竹花 恵一; 坂本 亮; 藤本 晃司; 松尾 幸憲; 毛受 暁史; 中島 直樹; 吉澤 明彦; 山田 亮; 中村 光宏; 溝脇 尚志; 富樫 かおり

  日本癌治療学会学術集会抄録集, 2020年10月

  
• Computed tomography mucus plugs and airway tree structure in patients with chronic obstructive pulmonary disease: Associations with airflow limitation, health-related independence and mortality.

  Naoya Tanabe; Kaoruko Shimizu; Hiroshi Shima; Nobuyasu Wakazono; Yusuke Shiraishi; Kunihiko Terada; Satoru Terada; Tsuyoshi Oguma; Ryo Sakamoto; Masaru Suzuki; Hironi Makita; Atsuyasu Sato; Susumu Sato; Masaharu Nishimura; Satoshi Konno; Toyohiro Hirai

  Respirology (Carlton, Vic.), 2024年06月24日

  
• Associations of fractional exhaled nitric oxide with airway dimension and mucus plugs on ultra-high-resolution computed tomography in former smokers and nonsmokers with asthma.

  Yusuke Hayashi; Naoya Tanabe; Hisako Matsumoto; Kaoruko Shimizu; Ryo Sakamoto; Tsuyoshi Oguma; Hironobu Sunadome; Atsuyasu Sato; Susumu Sato; Toyohiro Hirai

  Allergology international : official journal of the Japanese Society of Allergology, 2024年02月24日

  この論文にアクセスする：

  
• Evaluation of Bone Mineral Density in Lung Transplant Recipients by Chest Computed Tomography.

  Ryobu Mori; Tomohiro Handa; Akihiro Ohsumi; Kohei Ikezoe; Kiminobu Tanizawa; Ryuji Uozumi; Naoya Tanabe; Tsuyoshi Oguma; Ryo Sakamoto; Masatsugu Hamaji; Daisuke Nakajima; Yojiro Yutaka; Satona Tanaka; Yoshito Yamada; Yohei Oshima; Susumu Sato; Motonari Fukui; Hiroshi Date; Toyohiro Hirai

  Respiration; international review of thoracic diseases, 2023年12月05日

  
• Stronger Associations of Centrilobular Than Paraseptal Emphysema With Longitudinal Changes in Diffusing Capacity and Mortality in COPD.

  Yusuke Shiraishi; Naoya Tanabe; Kaoruko Shimizu; Akira Oguma; Hiroshi Shima; Ryo Sakamoto; Hajime Yamazaki; Tsuyoshi Oguma; Atsuyasu Sato; Masaru Suzuki; Hironi Makita; Shigeo Muro; Masaharu Nishimura; Susumu Sato; Satoshi Konno; Toyohiro Hirai

  Chest, 2023年08月

  
• Association of age with computed tomography airway tree morphology in male and female never smokers without lung disease history.

  Satoru Terada; Naoya Tanabe; Tomoki Maetani; Yusuke Shiraishi; Ryo Sakamoto; Hiroshi Shima; Tsuyoshi Oguma; Atsuyasu Sato; Megumi Kanasaki; Izuru Masuda; Susumu Sato; Toyohiro Hirai

  Respiratory medicine, 2023年08月

  
• Artificial intelligence-powered software detected more than half of the liver metastases overlooked by radiologists on contrast-enhanced CT.

  Hirotsugu Nakai; Ryo Sakamoto; Takahide Kakigi; Christophe Coeur; Hiroyoshi Isoda; Yuji Nakamoto

  European journal of radiology, 2023年06月

  
• Dedifferentiated liposarcoma lung metastases with different FDG-PET/CT findings.

  Yoshito Imamura; Satona Tanaka; Akihiko Yoshizawa; Ryo Sakamoto; Hiroshi Date

  Surgical case reports, 2023年05月09日

  
• Outcome and growth of lobar graft after pediatric living-donor lobar lung transplantation.

  Satona Tanaka; Daisuke Nakajima; Ryo Sakamoto; Tsuyoshi Oguma; Atsushi Kawaguchi; Akihiro Ohsumi; Keiji Ohata; Satoshi Ueda; Hiroya Yamagishi; Hidenao Kayawake; Yojiro Yutaka; Yoshito Yamada; Masatsugu Hamaji; Satoshi Hamada; Kiminobu Tanizawa; Tomohiro Handa; Takenori Suga; Shiro Baba; Hidefumi Hiramatsu; Tadashi Ikeda; Hiroshi Date

  The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation, 2023年05月

  
• The Efficacy of CT Temporal Subtraction Images for Fibrodysplasia Ossificans Progressiva.

  Mami Iima; Ryo Sakamoto; Takahide Kakigi; Akira Yamamoto; Bungo Otsuki; Yuji Nakamoto; Junya Toguchida; Shuichi Matsuda

  Tomography (Ann Arbor, Mich.), 2023年04月03日

  
• Physiological impacts of computed tomography airway dysanapsis, fractal dimension, and branch count in asymptomatic never smokers.

  Tomoki Maetani; Naoya Tanabe; Satoru Terada; Yusuke Shiraishi; Hiroshi Shima; Shizuo Kaji; Ryo Sakamoto; Tsuyoshi Oguma; Susumu Sato; Izuru Masuda; Toyohiro Hirai

  Journal of applied physiology (Bethesda, Md. : 1985), 2023年01月01日

  
• Centrilobular Emphysema Is Associated with Pectoralis Muscle Reduction in Current Smokers without Airflow Limitation.

  Tomoki Maetani; Naoya Tanabe; Yusuke Shiraishi; Takafumi Shimada; Satoru Terada; Hiroshi Shima; Fumi Mochizuki; Ryo Sakamoto; Shizuo Kaji; Tsuyoshi Oguma; Susumu Sato; Hiroaki Iijima; Izuru Masuda; Toyohiro Hirai

  Respiration; international review of thoracic diseases, 2023年

  この論文にアクセスする：

  
• Deep learning-based algorithm improved radiologists' performance in bone metastases detection on CT.

  Shunjiro Noguchi; Mizuho Nishio; Ryo Sakamoto; Masahiro Yakami; Koji Fujimoto; Yutaka Emoto; Takeshi Kubo; Yoshio Iizuka; Keita Nakagomi; Kazuhiro Miyasa; Kiyohide Satoh; Yuji Nakamoto

  European radiology, 2022年11月

  
• Low-dose contrast-enhanced time-resolved angiography with stochastic trajectories with iterative reconstruction (IT-TWIST-MRA) in brain arteriovenous shunt.

  Akihiko Sakata; Ryo Sakamoto; Yasutaka Fushimi; Satoshi Nakajima; Takuya Hinoda; Sonoko Oshima; Jens Wetzl; Michaela Schmidt; Masakazu Okawa; Kazumichi Yoshida; Susumu Miyamoto; Yuji Nakamoto

  European radiology, 2022年08月

  
• Peritumoral radiomics features on preoperative thin-slice CT images can predict the spread through air spaces of lung adenocarcinoma.

  Keiichi Takehana; Ryo Sakamoto; Koji Fujimoto; Yukinori Matsuo; Naoki Nakajima; Akihiko Yoshizawa; Toshi Menju; Mitsuhiro Nakamura; Ryo Yamada; Takashi Mizowaki; Yuji Nakamoto

  Scientific reports, 2022年06月20日

  この論文にアクセスする：

  
• Diagnostic advantage of thin slice 2D MRI and multiplanar reconstruction of the knee joint using deep learning based denoising approach.

  Takahide Kakigi; Ryo Sakamoto; Hiroshi Tagawa; Shinichi Kuriyama; Yoshihito Goto; Masahito Nambu; Hajime Sagawa; Hitomi Numamoto; Kanae Kawai Miyake; Tsuneo Saga; Shuichi Matsuda; Yuji Nakamoto

  Scientific reports, 2022年06月20日

  
• Evaluation of moyamoya disease in CT angiography using ultra-high-resolution computed tomography: Application of deep learning reconstruction.

  Yasuhiro Fukushima; Yasutaka Fushimi; Takeshi Funaki; Akihiko Sakata; Takuya Hinoda; Satoshi Nakajima; Ryo Sakamoto; Kazumichi Yoshida; Susumu Miyamoto; Yuji Nakamoto

  European journal of radiology, 2022年06月

  この論文にアクセスする：

  
• The prevalence and physiological impacts of centrilobular and paraseptal emphysema on computed tomography in smokers with preserved ratio impaired spirometry.

  Yusuke Shiraishi; Takafumi Shimada; Naoya Tanabe; Kunihiko Terada; Ryo Sakamoto; Tomoki Maetani; Hiroshi Shima; Fumi Mochizuki; Tsuyoshi Oguma; Kaoruko Shimizu; Susumu Sato; Shigeo Muro; Nobuyuki Hizawa; Motonari Fukui; Hiroaki Iijima; Izuru Masuda; Toyohiro Hirai

  ERJ open research, 2022年04月

  この論文にアクセスする：

  
• Novel Artificial Intelligence-based Technology for Chest Computed Tomography Analysis of Idiopathic Pulmonary Fibrosis.

  Tomohiro Handa; Kiminobu Tanizawa; Tsuyoshi Oguma; Ryuji Uozumi; Kizuku Watanabe; Naoya Tanabe; Takafumi Niwamoto; Hiroshi Shima; Ryobu Mori; Tomomi W Nobashi; Ryo Sakamoto; Takeshi Kubo; Atsuko Kurosaki; Kazuma Kishi; Yuji Nakamoto; Toyohiro Hirai

  Annals of the American Thoracic Society, 2022年03月

  
• Deep learning-based reconstruction of chest ultra-high-resolution computed tomography and quantitative evaluations of smaller airways.

  Naoya Tanabe; Ryo Sakamoto; Satoshi Kozawa; Tsuyoshi Oguma; Hiroshi Shima; Yusuke Shiraishi; Koji Koizumi; Susumu Sato; Yuji Nakamoto; Toyohiro Hirai

  Respiratory investigation, 2022年01月

  
• Temporal subtraction CT with nonrigid image registration improves detection of bone metastases by radiologists: results of a large-scale observer study.

  Koji Onoue; Masahiro Yakami; Mizuho Nishio; Ryo Sakamoto; Gakuto Aoyama; Keita Nakagomi; Yoshio Iizuka; Takeshi Kubo; Yutaka Emoto; Thai Akasaka; Kiyohide Satoh; Hiroyuki Yamamoto; Hiroyoshi Isoda; Kaori Togashi

  Scientific reports, 2021年09月16日

  この論文にアクセスする：

  
• Lung Cancer Segmentation With Transfer Learning: Usefulness of a Pretrained Model Constructed From an Artificial Dataset Generated Using a Generative Adversarial Network.

  Mizuho Nishio; Koji Fujimoto; Hidetoshi Matsuo; Chisako Muramatsu; Ryo Sakamoto; Hiroshi Fujita

  Frontiers in artificial intelligence, 2021年

  
• Attribute-guided image generation of three-dimensional computed tomography images of lung nodules using a generative adversarial network.

  Mizuho Nishio; Chisako Muramatsu; Shunjiro Noguchi; Hirotsugu Nakai; Koji Fujimoto; Ryo Sakamoto; Hiroshi Fujita

  Computers in biology and medicine, 2020年11月

  
• Bayesian Statistical Model of Item Response Theory in Observer Studies of Radiologists.

  Mizuho Nishio; Thai Akasaka; Ryo Sakamoto; Kaori Togashi

  Academic radiology, 2020年03月

  
• Temporal subtraction of computed tomography images improves detectability of bone metastases by radiology residents.

  Koji Onoue; Mizuho Nishio; Masahiro Yakami; Ryo Sakamoto; Gakuto Aoyama; Keita Nakagomi; Yoshio Iizuka; Takeshi Kubo; Yutaka Emoto; Thai Akasaka; Kiyohide Satoh; Hiroyuki Yamamoto; Hiroyoshi Isoda; Kaori Togashi

  European radiology, 2019年12月

  
• Automated Generation of Radiologic Descriptions on Brain Volume Changes From T1-Weighted MR Images: Initial Assessment of Feasibility.

  Kentaro Akazawa; Ryo Sakamoto; Satoshi Nakajima; Dan Wu; Yue Li; Kenichi Oishi; Andreia V Faria; Kei Yamada; Kaori Togashi; Constantine G Lyketsos; Michael I Miller; Susumu Mori

  Frontiers in neurology, 2019年

  
• Cloud-Based Brain Magnetic Resonance Image Segmentation and Parcellation System for Individualized Prediction of Cognitive Worsening.

  Ryo Sakamoto; Christopher Marano; Michael I Miller; Constantine G Lyketsos; Yue Li; Susumu Mori; Kenichi Oishi; Alzheimer's Disease Neuroimaging Initiative Adni

  Journal of healthcare engineering, 2019年

  
• Automatic inference model construction for computer-aided diagnosis of lung nodule: Explanation adequacy, inference accuracy, and experts' knowledge.

  Masami Kawagishi; Takeshi Kubo; Ryo Sakamoto; Masahiro Yakami; Koji Fujimoto; Gakuto Aoyama; Yutaka Emoto; Hiroyuki Sekiguchi; Koji Sakai; Yoshio Iizuka; Mizuho Nishio; Hiroyuki Yamamoto; Kaori Togashi

  PloS one, 2018年

  この論文にアクセスする：

  
• Temporal Subtraction of Serial CT Images with Large Deformation Diffeomorphic Metric Mapping in the Identification of Bone Metastases.

  Ryo Sakamoto; Masahiro Yakami; Koji Fujimoto; Keita Nakagomi; Takeshi Kubo; Yutaka Emoto; Thai Akasaka; Gakuto Aoyama; Hiroyuki Yamamoto; Michael I Miller; Susumu Mori; Kaori Togashi

  Radiology, 2017年11月

  この論文にアクセスする：

  
• A study of computer-aided diagnosis for pulmonary nodule: comparison between classification accuracies using calculated image features and imaging findings annotated by radiologists.

  Masami Kawagishi; Bin Chen; Daisuke Furukawa; Hiroyuki Sekiguchi; Koji Sakai; Takeshi Kubo; Masahiro Yakami; Koji Fujimoto; Ryo Sakamoto; Yutaka Emoto; Gakuto Aoyama; Yoshio Iizuka; Keita Nakagomi; Hiroyuki Yamamoto; Kaori Togashi

  International journal of computer assisted radiology and surgery, 2017年05月

  
• Estimation of proliferative potentiality of central neurocytoma: correlational analysis of minimum ADC and maximum SUV with MIB-1 labeling index.

  Ryo Sakamoto; Tomohisa Okada; Mitsunori Kanagaki; Akira Yamamoto; Yasutaka Fushimi; Takahide Kakigi; Yoshiki Arakawa; Jun C Takahashi; Yoshiki Mikami; Kaori Togashi

  Acta radiologica (Stockholm, Sweden : 1987), 2015年01月

  
• 3D dynamic pituitary MR imaging with CAIPIRINHA: initial experience and comparison with 2D dynamic MR imaging.

  Yasutaka Fushimi; Tomohisa Okada; Mitsunori Kanagaki; Akira Yamamoto; Yumiko Kanda; Ryo Sakamoto; Masato Hojo; Jun C Takahashi; Susumu Miyamoto; Kaori Togashi

  European journal of radiology, 2014年10月

  
• Quantitative imaging values of CT, MR, and FDG-PET to differentiate pineal parenchymal tumors and germinomas: are they useful?

  Takahide Kakigi; Tomohisa Okada; Mitsunori Kanagaki; Akira Yamamoto; Yasutaka Fushimi; Ryo Sakamoto; Yoshiki Arakawa; Yoshiki Mikami; Taro Shimono; Jun C Takahashi; Kaori Togashi

  Neuroradiology, 2014年04月

  この論文にアクセスする：

  
• Detection of time-varying structures by large deformation diffeomorphic metric mapping to aid reading of high-resolution CT images of the lung.

  Ryo Sakamoto; Susumu Mori; Michael I Miller; Tomohisa Okada; Kaori Togashi

  PloS one, 2014年

  
• DWI based thermometry: the effects of b-values, resolutions, signal-to-noise ratio, and magnet strength.

  Koji Sakai; Ryo Sakamoto; Tomohisa Okada; Naozo Sugimoto; Kaori Togashi

  Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference, 2012年

  

外部資金：科学研究費補助金

• 多様性肺結節データベースの構築と自己学習型画像診断支援システム開発の基礎研究

  基盤研究(B)

  小区分52040:放射線科学関連

  岐阜大学

  藤田 廣志

  自 2019年04月01日, 至 2022年03月31日, 完了

  計算機支援画像診断;深層学習;画像データベース;胸部CT画像;導入後学習;胸部画像;自己学習

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-19H03599/
• 検診医用画像の自動解析システム構築と先制医療への応用技術の開発

  基盤研究(C)

  小区分52040:放射線科学関連

  京都大学

  坂本 亮

  自 2024年04月01日, 至 2029年03月31日, 交付

  医用画像解析;先制医療;生活習慣病

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24K10781/