Yamada, Yoshitake

写真a

Affiliation

School of Medicine, Department of Radiology (Diagnostic Radiology) (Shinanomachi)

Position

Associate Professor

External Links

Profile 【 Display / hide

  • Sep 2005-present: Board Certified Membership of the Japanese Society of Internal Medicine
    Sep 2010-present: Board Certified Diagnostic Radiologist of the Japan Radiological Society
    Aug 2013-present: Specialist in Positron Emission Tomography in the Japanese Board of Nuclear Medicine
    July 2015-present: Specialist in the Japanese Board of Nuclear Medicine
    October 2018-present: Board Certified Senior Fellow of the Japan Society of Ultrasonics in Medicine

Career 【 Display / hide

  • 2017.01
    -
    Present

    Department of Radiology, Keio University School of Medicine

  • 2016.01
    -
    2016.12

    Harvard Medical School, Brigham and Women’s Hospital , Radiology

  • 2010.04
    -
    2015.12

    Department of Radiology, Keio University School of Medicine

  • 2008.04
    -
    2010.03

    Department of Radiology, Nippon Koukan Hosptal

  • 2006.04
    -
    2008.03

    Department of Radiology, Keio University School of Medicine

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Academic Background 【 Display / hide

  • 1996.04
    -
    2002.03

    Keio University, School of Medicine

    University, Graduated

  • 2010.04
    -
    2013.03

    Keio University, 医学研究科

    Graduate School, Graduated, Doctoral course

Academic Degrees 【 Display / hide

  • 博士(医学), Keio University, Coursework, 2013.03

Licenses and Qualifications 【 Display / hide

  • Board certified diagnostic radiologist of the Japan Radiological Society, 2010.09

  • Specialist in the Japanese Board of Nuclear Medicine, 2015.07

  • Specialist in Positron Emission Tomography in the Japanese Board of Nuclear Medicine, 2013.08

  • Board Certified Fellow of the Japan Society of Ultrasonics in Medicine, 2018.10

  • 日本乳がん検診精度管理中央機構 検診マンモグラフィ読影認定医(指導医認定 AS), 2008.10

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Research Areas 【 Display / hide

  • Life Science / Radiological sciences

Research Keywords 【 Display / hide

  • Diagnostic Radiology

  • CT

  • Chest imaging

  • Cardiovascular imaging

  • Abdominal imaging

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Research Themes 【 Display / hide

  • Multidetector computed tomography, 

    2010.04
    -
    Present

  • Chest imaging, 

    2010.04
    -
    Present

  • Cardiovascular imaging, 

    2010.04
    -
    Present

  • Abdominal imaging, 

    2010.04
    -
    Present

  • Dual-energy CT, 

    2010.04
    -
    Present

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Books 【 Display / hide

  • ここから始める循環器疾患のCT・MRI

    Yoshitake YAMADA, 学研メディカル秀潤社, 2020.04

    Scope: fractional flow reserve computed from CT (FFRCT),  Contact page: p.102-103

  • 救急疾患の鑑別診断のポイント

    Yasuhiro Minami, Yoshitake Yamada, Hiroaki Sugiura, Masahiro Jinzaki, 学研メディカル秀潤社, 2019.09

    Scope: 肺野空洞性病変の鑑別,  Contact page: p.204-209

  • 救急疾患の鑑別診断のポイント

    Hiroaki Sugiura, Yasuhiro Minami, Yoshitake Yamada, Masahiro Jinzaki, 学研メディカル秀潤社, 2019.09

    Scope: 肺間質影の鑑別,  Contact page: p.210-215

  • Abdominal CT

    Yoshitake YAMADA, メディカルサイエンスインターナショナル, 2017.04

    Scope: XII. 腹部大動脈・下大静脈,  Contact page: p591-612

  • Abdominal CT

    Yoshitake YAMADA, メディカルサイエンスインターナショナル, 2017.04

    Scope: II.検査法,  Contact page: p37-44

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Papers 【 Display / hide

  • Intraabdominal fat-free volume, but not fat volume, predicts the development of peritonitis in patients on peritoneal dialysis: a retrospective cohort study

    Mitsuno R., Morimoto K., Kaneko K., Kojima D., Nakamura T., Nakayama T., Hama E.Y., Tonomura S., Yamada Y., Jinzaki M., Uchiyama K., Washida N., Kanda T., Azegami T., Yoshida T., Yoshino J., Hayashi K.

    Renal Replacement Therapy 11 ( 1 )  2025.12

     View Summary

    Introduction: Increased intraabdominal fat volume (IAFV) is associated with systemic inflammation and various cardiometabolic diseases. However, the clinical implication of IAFV in patients on peritoneal dialysis (PD) is unclear. In addition, the association of intraabdominal fat-free volume (IAFFV), which could mainly reflect the volume of visceral organs that serve as a potential source of inflammatory uremic toxins, with PD-associated clinical outcomes remains unknown. Methods: We retrospectively measured IAFV and IAFFV in the 108 patients on PD using abdominal computed tomography at initiation of PD. The participants were followed up until PD cessation, death, or study completion. We investigated the relationships between IAFV and IAFFV and the risks of peritonitis and PD discontinuation (defined by a composite endpoint of death or transfer to hemodialysis). Results: The median follow-up period was 46 (interquartile range 24–82) months. The baseline obesity-related traits significantly (P < 0.05) differed between high-IAFV (≥ 2935 cm<sup>3</sup>) and low-IAFV (< 2935 cm<sup>3</sup>) groups. However, the log-rank tests found no differences in the incidence of peritonitis and PD discontinuation between groups. In contrast, both peritonitis-free survival and time on PD therapy were shorter in high-IAFFV (≥ 4796 cm<sup>3</sup>) group than in low-IAFFV (< 4796 cm<sup>3</sup>) group (all P < 0.05). In the Cox regression models, IAFFV remained a strong risk factor for peritonitis even after adjusting for confounders (hazard ratio: 2.16, 95% confidence interval: 1.07–4.38). Conclusions: We demonstrate that IAFFV is an independent risk factor of peritonitis in patients o nPD. Additional studies are needed to identify specific intraabdominal component(s) involved in the pathogenesis of PD-associated adverse events.

  • Diaphragmatic curvature analysis using dynamic digital radiography

    Hino T., Tsunomori A., Wada N., Hata A., Fukuda T., Nakamura Y., Yamada Y., Hida T., Nishino M., Ueyama M., Kurosaki A., Kubo T., Kudoh S., Ishigami K., Hatabu H.

    European Journal of Radiology Open 15 2025.12

     View Summary

    Purpose: To investigate area under diaphragm (AUD) obtained by dynamic digital radiography (DDR) for the differentiation between normal subjects and chronic obstructive pulmonary disease (COPD) patients. Methods: This retrospective study included healthy volunteers and COPD patients recruited from 2009 to 2014 at Fukujuji Hospital, who received DDR and pulmonary functional test. AUD was defined as an area under a hemidiaphragm and above the line connecting the ipsilateral costophrenic angle to the top of the hemidiaphragm on DDR image. AUD in full inspiration minus AUD in full expiration (ΔAUD) was also calculated. The diaphragmatic surface was demarcated manually on DDR image to calculate AUD. Three-group comparison of AUD and ΔAUD among normal, mild COPD, and severe COPD subjects was tested with one-way analysis of variance, followed by multiple comparison with Tukey-Kramer method. The diagnostic accuracy of COPD by ΔAUD was assessed using receiver-operating-characteristics (ROC) curve. Results: Sixty-eight participants (36 men, 29 COPD patients) were enrolled. AUD in full inspiration was larger in healthy volunteers than in COPD patients (right, p < 0.001; left, p = 0.02). ΔAUD were different in the three-group comparison (right, normal, 208.7 ± 184.6 mm<sup>2</sup>, mild COPD, −18.1 ± 117.5 mm<sup>2</sup>, severe COPD −97.5 ± 150.0 mm<sup>2</sup>, p < 0.001; left, normal, 254.9 ± 131.5 mm<sup>2</sup>, mild COPD, −12.5 ± 136.5 mm<sup>2</sup>, severe COPD, −100.7 ± 134.1 mm<sup>2</sup>, p < 0.001). ROC curve showed high diagnostic performance of COPD by unilateral ΔAUD (right, area-under curve 0.942; left, area-under-curve 0.965). Conclusion: The value of ΔAUD was smaller according to the severity of COPD. ΔAUD can be helpful in distinguishing healthy subjects from COPD patients.

  • Kinematic and Kinetic Effects of 10-Degree Coronal Wedge Floors on Lower Limb Joints During Static Standing: An Upright Multidetector-Row CT Study.

    Seki H, Ogihara N, Ito A, Sujino A, Yamada Y, Yamada M, Yokoyama Y, Nakamura M, Nagura T, Jinzaki M

    Foot & ankle international    10711007251361132 2025.09

    ISSN  1071-1007

     View Summary

    Background: Coronal wedge insoles are commonly prescribed to mitigate musculoskeletal disorders, yet their static-standing kinematic and kinetic effects on lower extremity joints remain insufficiently understood. Methods: This cross-sectional experimental study included 15 healthy older adults (mean 64.9 ± 6.0 y; 11 females, 4 males) who underwent CT imaging of the entire lower limbs during static standing. Ground reaction forces (GRFs) were simultaneously recorded using right and left force plates, with their sum equal in magnitude and opposite in direction to the body weight vector. Three floor conditions were tested: a 10-degree medial wedge, a flat surface, and a 10-degree lateral wedge. Lower limb alignment, GRF vector inclinations, projected GRF location at the height of the joint center, and external joint moments were assessed under 3 floor conditions. Results: Coronal wedges altered hip and subtalar joint angles, with medial wedges inducing hindfoot supination and hip abduction, whereas lateral wedges promoted hindfoot pronation and hip internal rotation. The GRF vector was found to generally pass lateral to the tibiotalar and subtalar joints and medial to the hip joint, generating eversion and adduction moments, respectively. Notably, these moments increased on the lateral wedge but were reduced on the medial wedge. In contrast, projected GRF location at joint height remained near the knee joint center across all conditions, resulting in minimal varus/valgus knee moments. Conclusion: This study provides the first quantifications of the 3-dimensional GRF vector concerning joint centers during static standing; these exploratory findings warrant confirmation during gait and in symptomatic cohorts. Our study suggests that lateral wedges tend to increase external joint moments at the hip and tibiotalar. Although further investigation is needed, these mechanical effects at the hip may have potential relevance and should be considered with caution when prescribing lateral wedge insoles.

  • Comparison of supine and upright postures for liver respiratory motion management in radiotherapy.

    Nomura Y, Inaniwa T, Yamada Y, Yamada M, Yokoyama Y, Tanaka S, Yonai S, Mizuno H, Iwata Y, Takeda A, Ishikawa H, Jinzaki M

    Medical physics 52 ( 9 ) e18111 2025.09

    ISSN  0094-2405

  • Upright MDCT with 320 Detector-Row Gantry: A Technical Innovation Providing Insights into Human Anatomy Under Gravity and Potential Clinical Implications.

    Jinzaki M, Yamada M, Yokoyama Y, Nakahara T, Nagura T, Inamoto Y, Yagi F, Ikeda O, Alshahri M, Mizutani K, Yamada Y

    The British journal of radiology  2025.08

    ISSN  0007-1285

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Reviews, Commentaries, etc. 【 Display / hide

  • A case of Ehlers-Danlos syndrome in which lung CT findings contributed to the diagnosis

    松本 晋作, 杉浦 弘明, 南 康大, 山田 祥岳, 渡辺 理沙, 福永 興壱, 陣崎 雅弘

    臨床放射線 (金原出版(株))  65 ( 1 ) 67 - 70 2020.01

    Other, Joint Work,  ISSN  0009-9252

  • 【胸部の最新画像情報2020】肺野の画像所見が診断の契機となったEhlers-Danlos症候群の1例

    松本 晋作, 杉浦 弘明, 南 康大, 山田 祥岳, 渡辺 理沙, 福永 興壱, 陣崎 雅弘

    臨床放射線 (金原出版(株))  65 ( 1 ) 67 - 70 2020.01

    Other, Joint Work,  ISSN  0009-9252

     View Summary

    症例は40歳代女性で、胸痛を主訴に近医を受診し、胸部単純X線で左気胸を指摘され当院へ紹介入院となった。胸部単純CTにて左気胸を認めた。両肺底部に複数の不整な嚢胞、両下葉に浸潤影、小葉中心性陰影および気管支拡張を認めた。なお、約1年前の肺炎時のCTでは嚢胞は認められなかった。胸腔ドレーンを留置するも気胸およびリークの改善を認めなかったため、胸腔鏡下左肺下葉嚢胞切除術を施行した。術後経過は良好で、術後約1週間で退院した。比較的若年者に繰り返す肺炎後に不整な嚢胞が散見され、難治性の気胸を発症したことから肺組織の脆弱性が示唆され、基礎疾患としてEhlers-Danlos症候群の可能性が疑われた。遺伝子検査ではCOL5A2遺伝子変異が陽性(ミスセンス変異)であり、古典型Ehlers-Danlos症候群と診断された。また、COL3A1遺伝子変異は陰性であったことから、血管型Ehlers-Danlos症候群は否定された。

  • DAT SPECTにおけるCSFマスク補正のSBR値の診断能への影響

    岩渕 雄, 中原 理紀, 亀山 征史, 松坂 陽至, 南 康大, 伊東 大介, 田渕 肇, 山田 祥岳, 陣崎 雅弘

    核医学 ((一社)日本核医学会)  56 ( Suppl. ) S175 - S175 2019.10

    Other, Joint Work,  ISSN  0022-7854

  • 肺野異常陰影 3 肺間質影の鑑別

    杉浦弘明, 南康大, 山田祥岳, 陣崎雅弘

    画像診断 39 ( 11 ) A210‐215 2019.09

    Other, Joint Work,  ISSN  0285-0524

  • 肺野異常陰影 2 肺野空洞性病変の鑑別

    南康大, 山田祥岳, 杉浦弘明, 陣崎雅弘

    画像診断 39 ( 11 ) A204‐A209 2019.09

    Other, Joint Work,  ISSN  0285-0524

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Presentations 【 Display / hide

  • 立位・臥位CTにより肺容積の体位性変化を評価できた横隔膜ヘルニアの1例

    杉野 功祐, 鈴木 嵩弘, 山田 祥岳, 横山 陽一, 山田 稔, 大久保 祐, 政井 恭兵, 加勢田 馨, 菱田 智之, 朝倉 啓介, 陣崎 雅弘

    日本呼吸器外科学会雑誌, 

    2025.04

    (一社)日本呼吸器外科学会

  • 立位・臥位CTを用いた巨大前縦隔腫瘍患者における気管狭窄の体位性変化の検討

    鈴木 嵩弘, 朝倉 啓介, 山田 祥岳, 杉野 功祐, 横山 陽一, 山田 稔, 大久保 祐, 政井 恭兵, 加勢田 馨, 菱田 智之, 陣崎 雅弘

    日本呼吸器外科学会雑誌, 

    2025.04

    (一社)日本呼吸器外科学会

  • COPD患者における6分間歩行距離の立位CTを用いた予測指標

    宮川 明, 中鉢 正太郎, 山田 祥岳, 西川 敬介, 西澤 昂輝, 福澤 紘平, 荒井 哲也, 飯塚 秀人, 滝澤 亜矢, 島田 嵩, 大竹 史朗, 陣崎 雅弘, 福永 興壱

    日本呼吸器学会誌, 

    2025.03

    (一社)日本呼吸器学会

  • 循環器CT最前線(Evaluation of Postural Changes in the Venous System Using Upright CT)

    山田 祥岳, 山田 稔, 横山 陽一, 中原 健裕, 陣崎 雅弘

    日本循環器学会学術集会抄録集, 

    2025.03

    (一社)日本循環器学会

  • 本邦COVID-19患者CTを用いた肺炎半定量化の有用性評価

    田中 拓, 中鉢 正太郎, 南宮 湖, 前谷 知毅, 白石 祐介, 朝倉 崇徳, 島田 嵩, 阿瀬川 周平, 大竹 史朗, 中川原 賢亮, 福島 貴大, 渡瀬 麻友子, 山田 祥岳, 田辺 直也, 福永 興壱

    日本呼吸器学会誌, 

    2025.03

    (一社)日本呼吸器学会

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Research Projects of Competitive Funds, etc. 【 Display / hide

  • Analysis of the Human Body Under Gravity Using Upright CT and Its Application to Future Medicine

    2025.04
    -
    2029.03

    Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), No Setting

     View Summary

    これまでの医療の主な診断対象は生命寿命を規定する器質的疾患であったが、今後、機能性疾患を対象とした健康寿命の延伸の為の医療が重要になる。立位CTの導入により、姿勢・骨盤底の緩み・筋肉量など身体的フレイルの評価、立位で増悪する腰痛の診断・膝関節異常の早期発見・嚥下機能や排尿機能の評価など機能性障害の病態解明や早期診断が可能になる。また、放射線治療を座位の状態で行えればコストや設置面積を大幅に縮小できる。今回は、立位・座位で評価可能な人体の構造・機能を解明し、それに基づき、①身体的フレイルの評価、②機能性障害の病態解明と早期診断、③座位放射線治療の実現、の新たな診断・治療への有効性を明らかにする。

  • Elucidation of age-related changes and pathology and establishment of a method for early detection of diseases using upright CT: Aiming at extending healthy life expectancy

    2023.04
    -
    2026.03

    Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), No Setting

     View Summary

    現在の通常のCTは臥位で撮影するため、ヒトの日常生活の状態(立位/座位) を反映しておらず、立位/座位での様々な病態を3次元的に画像化できていなかった。そこで我々は産学共同で320列立位CTを開発し、当施設に世界第1号機を導入した。これまでの初期検討により、立位と臥位で解剖学的構造や各種病態はかなり異なる事が分かった。この初期結果をふまえ、本研究では、新たな診断機器である立位CTを用いて、立位荷重下でより顕著となる加齢性変化や各種病態を画像的に解明しつつ、立位/座位での新たな疾患早期検出法の確立を目指す。そして立位CTによる早期診断により、超高齢社会における健康寿命の更なる延伸、生活の質の向上を目指す。

  • Construction of CT Diagnostics in the Near Future: Aiming at Extending Healthy Life Span in the Super-aging Society

    2022.09
    -
    Present

    Takeda Science Foundation, 医学系研究助成 臨床, Principal investigator

  • Elucidation of human body function using upright CT ~Looking at the era of healthy longevity~

    2021.04
    -
    2024.03

    Keio University, Grants-in-Aid for Scientific Research, Jinzaki Masahiro, Grant-in-Aid for Scientific Research (B), No Setting

     View Summary

    In the era of health and longevity, we aimed to promote the early detection and elucidation of functional disorders. To achieve this, we conducted research on the mechanisms of three functions: swallowing, urination, and walking. For swallowing function, we had a specialized chair designed, and developed a protocol for scanning and established a method for this examination. For urination function, we established a scanning protocol, and clarified the mechanism of normal urination. Imaging of patient groups revealed three patterns of urination disorders (benign prostatic hyperplasia, bladder neck sclerosis, neurogenic bladder). Thus, evaluating urination function appears useful in devising treatment strategies. Concerning walking function, the relation with posture was deemed significant, and software for objectively evaluating posture was developed. Additionally, software capable of measuring muscle volume with a 5% margin of error was developed, deemed useful in predicting frailty.

  • Development of an individual human homologous model generation method for dynamics analysis

    2021.04
    -
    2024.03

    National Institute of Advanced Industrial Science and Technology, Grants-in-Aid for Scientific Research, Endo Yui, Grant-in-Aid for Scientific Research (B), No Setting

     View Summary

    A study was conducted to develop a method for generating individual human body models that can withstand use in dynamics analysis of body motion. A method was developed to construct an individual human body volume model using a CT image template from an individual's human skin shape obtained from a body scanner. Based on the obtained human body volume model, we also developed a method to identify the human body dynamics properties of an individual using the measurement data of standard movements as input. Furthermore, a whole-body musculoskeletal model of the human body was integrated into the system to estimate the degree of muscle activation during movement.

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Intellectual Property Rights, etc. 【 Display / hide

  • X線コンピュータ断層撮影装置

    Date applied: 特願2021-183419  2021.11 

    Date announced: 特開2023-070936  2023.05 

    Patent, Joint

  • 被検体の透明化方法および透明化された被検体の製造方法

    Date applied: 特願2020-082566  2020.05 

    Date announced: 特開2021-177146  2021.11 

    Date issued: 特許第7411223号 

    Date registered: 2023.12

    Patent, Joint

  • 外反母趾の予防方法

    Date applied: 特願2019-091025  2019.05 

    Date announced: 特開2020-185121  2020.11 

    Patent

Awards 【 Display / hide

  • Magna Cum Laude award at the 102nd Scientific Assembly and Annual Meeting of the Radiological Society of North America

    2016.11, Radiological Society of North America, Dynamic Chest Radiography Using Flat Panel Detector System: Technique and Applications

    Type of Award: Award from international society, conference, symposium, etc.,  Country: United States

  • Platinum Medal (the Best Presentation Award) at the 79rd Annual Meeting of the Japan Radiological Society

    Yoshitake Yamada, Minoru Yamada, Yoichi Yokoyama, Akiko Tanabe, Shiho Matsuoka, Yuki Niijima, Mitsuru Murata, Koichi Fukunaga, Shotaro Chubachi, Masahiro Jinzaki, 2020.06, Japan Radiological Society, Comparison of Inspiratory and Expiratory Lung/Lobe Volumes Among Supine, Standing and Sitting Positions scanned with Conventional and 320-Detector-Row Upright CT

    Type of Award: Award from Japanese society, conference, symposium, etc.

  • Certificate of Merit Award at the 103rd Scientific Assembly and Annual Meeting of the Radiological Society of North America

    2017.11, Radiological Society of North America, Four-dimensional (4D) Computed Tomography (CT) with Non-rigid Registration Between Adjacent Phases Before and After Transcatheter Aortic Valve Implantation (TAVI): One Step Forward Into the Future

    Type of Award: Award from international society, conference, symposium, etc.,  Country: United States

  • Achievement Award, Japanese Society of Medical Imaging Technology

    Masahiro Jinzaki, Yoshitake Yamada, Minoru Yamada, Yoichi Yokoyama, Takeo Nagura, Naomichi Ogihara, Yasutaka Shindo, Makoto Nakano, 2022.07, Japanese Society of Medical Imaging Technology, Development of Whole-Body Upright Computed Tomography

    Type of Award: Award from Japanese society, conference, symposium, etc.

  • Silver Medal, the 80th Annual Meeting of the Japan Radiological Society

    Yoshitake Yamada, Shotaro Chubachi, Minoru Yamada, Yoichi Yokoyama, Akiko Tanabe, Shiho Matsuoka, Yuki Niijima, Mitsuru Murata, Koichi Fukunaga, Masahiro Jinzaki, 2021.04, Japan Radiological Society, Correlation between lung volumes on upright CT and measurements on pulmonary function test in COPD patients: comparison with supine CT

    Type of Award: Award from Japanese society, conference, symposium, etc.

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Other 【 Display / hide

  • JCS 2018 Guideline on Diagnosis of Chronic Coronary Heart Diseases: Cooperator

    2019年03月

     View Details

    JCS 2018 Guideline on Diagnosis of Chronic Coronary Heart Diseases: Cooperator

  • 2016年01月

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    The Uehara Memorial Foundation, Overseas research fellowships

 

Courses Taught 【 Display / hide

  • LECTURE SERIES, RADIOLOGY

    2025

  • CLINICAL CLERKSHIP IN RADIOLOGY

    2025

  • LECTURE SERIES, RADIOLOGY

    2024

  • CLINICAL CLERKSHIP IN RADIOLOGY

    2024

  • INTRODUCTION TO CLINICAL CLERKSHIPS

    2023

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Courses Previously Taught 【 Display / hide

  • 肝・胆・膵の画像診断

    慶應義塾大学医学部

    2018.04
    -
    2019.03

  • 骨盤腔の画像診断

    慶應義塾大学医学部

    2018.04
    -
    2019.03

  • 肝・胆・膵の画像診断

    Keio University

    2017.04
    -
    2018.03

    Full academic year

  • 肝・胆・膵の画像診断

    Keio University

    2015.04
    -
    2016.03

    Full academic year, Laboratory work/practical work/exercise

  • 女性骨盤臓器の画像診断

    Keio University

    2015.04
    -
    2016.03

    Full academic year, Laboratory work/practical work/exercise

Educational Activities and Special Notes 【 Display / hide

  • The person in charge of Objective Structured Clinical Examination

    2019.04
    -
    Present

    , Special Affairs

 

Memberships in Academic Societies 【 Display / hide

  • Japan Radiological Society, 

    2006
    -
    Present
  • The Japan Society of Ultrasonics in Medicine, 

    2014
    -
    Present
  • The Japanese Society of Nuclear Medicine, 

    2013
    -
    Present
  • Radiological Society of North America, 

    2010
    -
    Present
  • The Japanese Circulation Society, 

    2014
    -
    Present

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