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岩谷 勇吾|信州大学 研究者総覧

岩谷 勇吾 (イワヤ ユウゴ)   

学術研究院(医学系)

医学部 医学科 内科学第二 

准教授 

学位

  • 医学博士, 信州大学
  • 医学士, 信州大学

研究キーワード

    消化器内科, 消化管, 食道, 胃, Barrett食道

研究分野

  • 消化器内科学, 消化器内科

学歴

  • 2016年 - 2018年, カナダ トロント大学 セントマイケルズ病院 先端治療内視鏡センター
  • 2014年, 信州大学大学院

委員歴

  • 甲信越支部評議員、学術評議員, 日本消化器内視鏡学会
  • 甲信越支部評議員、学会評議員, 日本消化器病学会

論文

  • Transmesenteric approach for laparoscopic endoscopic cooperative surgery for a duodenal adenoma located in the third portion of the duodenum
    Muranaka, Futoshi; Kitazawa, Masato; Iwaya, Yugo; Tokumaru, Shigeo; Nakamura, Satoshi; Koyama, Makoto; Yamamoto, Yuta; Hondo, Nao; Soejima, Yuji
    ASIAN JOURNAL OF ENDOSCOPIC SURGERY, 2023年電子ジャーナル
  • Number and distribution of eosinophils and lymphocytes in the Japanese pediatric gastrointestinal tract: in search of a definition for abnormally increased eosinophils
    Iwaya, Mai; Kobayashi, Shota; Nakayama, Yoshiko; Kato, Sawako; Kurasawa, Shingo; Sado, Tomomitsu; Iwaya, Yugo; Uehara, Takeshi; Ota, Hiroyoshi
    WORLD JOURNAL OF PEDIATRICS, 19(3), 251-260, 2023年電子ジャーナル
  • CD8(+) Lymphocyte Infiltration Is a Specific Feature of Colitis Induced by Immune Checkpoint Inhibitors
    Takahashi, Yoshiyuki; Nagaya, Tadanobu; Iwaya, Yugo; Okamura, Takuma; Hirayama, Atsuhiro; Iwaya, Mai; Uehara, Takeshi; Umemura, Takeji
    DIGESTIVE DISEASES AND SCIENCES, 68(2), 451-459, 2023年電子ジャーナル
  • Artificial Intelligence (AI) for Evaluating the Risk of Gastric Cancer; A High Quality AI System for Detecting and Scoring Intestinal Metaplasia Was Constructed Successfully Using Deep Learning
    Iwaya, Mai; Hayashi, Yuichiro; Sakai, Yasuhiro; Yoshizawa, Akihiko; Uehara, Takeshi; Iwaya, Yugo; Ota, Hiroyoshi; Mori, Kensaku
    LABORATORY INVESTIGATION, 102(SUPPL 1), 470-470, 2022年
  • Artificial Intelligence (AI) for Evaluating the Risk of Gastric Cancer; A High Quality AI System for Detecting and Scoring Intestinal Metaplasia Was Constructed Successfully Using Deep Learning
    Iwaya, Mai; Hayashi, Yuichiro; Sakai, Yasuhiro; Yoshizawa, Akihiko; Uehara, Takeshi; Iwaya, Yugo; Ota, Hiroyoshi; Mori, Kensaku
    MODERN PATHOLOGY, 35(SUPPL 2), 470-470, 2022年
  • Gastric Cancer After Helicobacter pylori Eradication for Nodular Gastritis in an Adolescent
    Okmaura, Takuma; Iwaya, Yugo; Iwaya, Mai; Koizumi, Tomonobu; Nagaya, Tadanobu
    CUREUS JOURNAL OF MEDICAL SCIENCE, 14(10), 2022年電子ジャーナル
  • Histopathologically defined intestinal metaplasia in lesser curvature of corpus prior to Helicobacter pylori eradication is a risk factor for gastric cancer development
    Hara, Daichi; Okamura, Takuma; Iwaya, Yugo; Nagaya, Tadanobu; Ota, Hiroyoshi; Umemura, Takeji
    HELICOBACTER, 27(6), 2022年電子ジャーナル
  • Association between endoscopic pressure study integrated system (EPSIS) and high-resolution manometry
    Fujiyoshi, Yusuke; Inoue, Haruhiro; Shimamura, Yuto; Fujiyoshi, Mary Raina Angeli; de Santiago, Enrique Rodriguez; Nishikawa, Yohei; Toshimori, Akiko; Tanabe, Mayo; Sumi, Kazuya; Ono, Masashi; Iwaya, Yugo; Ikeda, Haruo; Onimaru, Manabu
    ENDOSCOPY INTERNATIONAL OPEN, 10(6), E762-E768, 2022年電子ジャーナル
  • Comparison of scope holding sign on endoscopy and lower esophageal sphincter contraction on high-resolution manometry: A pilot study
    Fujiyoshi, Yusuke; Inoue, Haruhiro; Shimamura, Yuto; Fujiyoshi, Mary Raina Angeli; Rodriguez de Santiago, Enrique; Nishikawa, Yohei; Toshimori, Akiko; Tanabe, Mayo; Sumi, Kazuya; Iwaya, Yugo; Ono, Masashi; Izawa, Shinya; Ikeda, Haruo; Onimaru, Manabu
    DEN OPEN, 2(1), 2022年電子ジャーナル
  • Gastric adenocarcinoma arising from hamartomatous inverted polyp during 8-year follow-up
    Okamura, Takuma; Iwaya, Yugo; Nagaya, Tadanobu; Muranaka, Futoshi; Ota, Hiroyoshi; Umemura, Takeji
    DEN OPEN, 2(1), 2022年電子ジャーナル
  • Predictors of recurrence of dysplasia or cancer in patients with dysplastic Barrett's esophagus following complete eradication of dysplasia: a single-center retrospective cohort study
    Kobayashi, Ryosuke; Calo, Natalia Causada; Marcon, Norman; Iwaya, Yugo; Shimamura, Yuto; Honda, Hirokazu; Streutker, Catherine; Mosko, Jeffrey; May, Gary; Teshima, Christopher
    SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES, 36(7), 5041-5048, 2022年電子ジャーナル
  • Clinicopathological features of nodular gastritis in three classes of age
    Kako, Satoko; Iwaya, Yugo; Nagaya, Tadanobu; Hara, Daichi; Okamura, Takuma; Iwaya, Mai; Kurasawa, Shingo; Kato, Sawako; Nakayama, Yoshiko; Akamatsu, Taiji; Umemura, Takeji;
    HELICOBACTER, 26(6), e12845, 2021年12月WebofScience電子ジャーナル
  • Diagnostic yield of fourth-generation endocytoscopy for esophageal squamous lesions using a modified endocytoscopic classification
    Shimamura, Yuto; Inoue, Haruhiro; Rodriguez de Santiago, Enrique; Abad, Mary Raina Angeli; Fujiyoshi, Yusuke; Toshimori, Akiko; Tanabe, Mayo; Sumi, Kazuya; Iwaya, Yugo; Ikeda, Haruo; Onimaru, Manabu; Kushima, Miki; Goda, Kenichi;
    DIGESTIVE ENDOSCOPY, 33(7), 1093-1100, 2021年11月WebofScience電子ジャーナル
  • Clinical and pathological predictors of failure of endoscopic therapy for Barrett's related high-grade dysplasia and early esophageal adenocarcinoma
    Shimamura, Yuto; Iwaya, Yugo; Kobayashi, Ryosuke; Rodriguez de Santiago, Enrique; Muwanwella, Niroshan; Raftopoulos, Spiro; Mosko, Jeffrey D.; May, Gary R.; Kandel, Gabor; Kortan, Paul; Marcon, Norman; Teshima, Christopher W.;
    SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES, 35(10), 5468-5479, 2021年10月WebofScience電子ジャーナル
  • Colitis-associated colorectal adenocarcinomas frequently express claudin 18 isoform 2: implications for claudin 18.2 monoclonal antibody therapy
    Iwaya, Mai; Hayashi, Hiroyuki; Nakajima, Tomoyuki; Matsuda, Kazuyuki; Kinugawa, Yasuhiro; Tobe, Yosuke; Tateishi, Yoko; Iwaya, Yugo; Uehara, Takeshi; Ota, Hiroyoshi;
    HISTOPATHOLOGY, 79(2), 227-237, 2021年08月WebofScience電子ジャーナル
  • Characterization of intragastric pressure waveform in endoscopic pressure study integrated system: Novel diagnostic device for gastroesophageal reflux disease
    Shimamura, Yuto; Inoue, Haruhiro; Rodriguez de Santiago, Enrique; Abad, Mary Raina Angeli; Fujiyoshi, Yusuke; Toshimori, Akiko; Tanabe, Mayo; Sumi, Kazuya; Iwaya, Yugo; Ikeda, Haruo; Onimaru, Manabu;
    DIGESTIVE ENDOSCOPY, 33(5), 780-787, 2021年07月WebofScience電子ジャーナル
  • Successful treatment of gallstone ileus with double-balloon enteroscopy-assisted electrohydraulic lithotripsy
    Kako, Satoko; Iwaya, Yugo; Nagaya, Tadanobu; Umemura, Takeji;
    DIGESTIVE AND LIVER DISEASE, 53(4), 498-499, 2021年04月WebofScience電子ジャーナル
  • Endoscopic treatment of proton pump inhibitor-refractory gastroesophageal reflux disease with anti-reflux mucosectomy: Experience of 109 cases
    Sumi, Kazuya; Inoue, Haruhiro; Kobayashi, Yasutoshi; Iwaya, Yugo; Abad, Mary Raina Angeli; Fujiyoshi, Yusuke; Shimamura, Yuto; Ikeda, Haruo; Onimaru, Manabu;
    DIGESTIVE ENDOSCOPY, 33(3), 347-354, 2021年03月WebofScience電子ジャーナル
  • Predictors of recurrence of dysplasia or cancer in patients with dysplastic Barrett's esophagus following complete eradication of dysplasia: a single-center retrospective cohort study
    Kobayashi, Ryosuke; Calo, Natalia Causada; Marcon, Norman; Iwaya, Yugo; Shimamura, Yuto; Honda, Hirokazu; Streutker, Catherine; Mosko, Jeffrey; May, Gary; Teshima, Christopher;
    SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES, 2021年WebofScience電子ジャーナル
  • Endoscopic pressure study integrated system reflects gastroesophageal junction competence in patients with erosive esophagitis and Barrett ' s esophagus
    Iwaya, Yugo; Inoue, Haruhiro; de Santiago, Enrique Rodriguez; Abad, Mary Raina Angeli; Fujiyoshi, Yusuke; Ueno, Akiko; Tanabe, Mayo; Sumi, Kazuya; Tomida, Hideomi; Ominami, Masaki; Ikeda, Haruo; Onimaru, Manabu; Shimamura, Yuto;
    DIGESTIVE ENDOSCOPY, 32(7), 1050-1056, 2020年11月WebofScience電子ジャーナル
  • A REVIEW OF THE GEOGRAPHICAL DISTRIBUTION AND IMPACT OF LOCATION ON TIME TO TREATMENT IN PATIENTS WITH BARRETT'S ESOPHAGUS ASSOCIATED HIGH-GRADE DYSPLASIA AND INTRAMUCOSAL CANCER: A CANADIAN TERTIARY CENTER EXPERIENCE
    Li, Suqing; Calo, Natalia C.; Kobayashi, Ryosuke; Iwaya, Yugo; Marcon, Norman E.; May, Gary R.; Mosko, Jeffrey D.; Teshima, Christopher W.;
    GASTROINTESTINAL ENDOSCOPY, 91(6), AB158-AB158, 2020年06月WebofScience
  • Endoscopic pressure study integrated system reflects gastroesophageal junction competence in patients with erosive esophagitis and Barrett ' s esophagus
    Iwaya, Yugo; Inoue, Haruhiro; de Santiago, Enrique Rodriguez; Abad, Mary Raina Angeli; Fujiyoshi, Yusuke; Ueno, Akiko; Tanabe, Mayo; Sumi, Kazuya; Tomida, Hideomi; Ominami, Masaki; Ikeda, Haruo; Onimaru, Manabu; Shimamura, Yuto;
    DIGESTIVE ENDOSCOPY, 2020年WebofScience電子ジャーナル
  • Pedunculated signet ring cell carcinoma of the stomach mimicking a hyperplastic polyp
    Mochizuki, Yuichiro; Iwaya, Yugo; Iwaya, Mai; Hirota, Yuko; Inoue, Haruhiro;
    GASTROINTESTINAL ENDOSCOPY, 90(5), 848-849, 2019年11月WebofScience電子ジャーナル
  • Clinical characteristics may distinguish patients with esophageal adenocarcinoma arising from long- versus short-segment Barrett's esophagus
    Iwaya, Yugo; Shimamura, Yuto; Mosko, Jeffrey D.; Kandel, Gabor; Kortan, Paul P.; May, Gary R.; Marcon, Norman E.; Teshima, Christopher W.;
    DIGESTIVE AND LIVER DISEASE, 51(10), 1470-1474, 2019年10月WebofScience電子ジャーナル
  • A NEWLY DEVELOPED DIAGNOSTIC TOOL FOR GERD AND NERD: ENDOSCOPIC PRESSURE STUDY INTEGRATED SYSTEM (EPSIS)
    Shimamura, Yuto; Manolakis, Anastassios C.; de Santiago, Enrique Rodriguez; Kobayashi, Yasutoshi; Ominami, Masaki; Fujiyoshi, Yusuke; Fukuda, Hisashi; Tomida, Hideomi; Sumi, Kazuya; Iwaya, Yugo; Ikeda, Haruo; Onimaru, Manabu; Inoue, Haruhiro;
    GASTROINTESTINAL ENDOSCOPY, 89(6), AB197-AB197, 2019年06月WebofScience
  • RETROGRADE DOUBLE-BALLOON ENTEROSCOPY FOR TREATMENT OF REFRACTORY DISTAL INTESTINAL OBSTRUCTION SYNDROME: DESCRIPTION OF A NOVEL APPLICATION
    Rumman, Amir; Al Ghamdi, Sarah; Iwaya, Yugo; Teshima, Christopher W.; May, Gary R.;
    GASTROINTESTINAL ENDOSCOPY, 89(6), AB124-AB124, 2019年06月WebofScience
  • UTILIZING THE NOVEL ENDOSCOPIC PRESSURE STUDY INTEGRATED SYSTEM (EPSIS) AND ITS RELATION TO EROSIVE ESOPHAGITIS AND BARRETT'S ESOPHAGUS
    Fujiyoshi, Yusuke; Iwaya, Yugo; Shimamura, Yuto; Sumi, Kazuya; Ikeda, Haruo; Onimaru, Manabu; Inoue, Haruhiro;
    GASTROINTESTINAL ENDOSCOPY, 89(6), AB466-AB466, 2019年06月WebofScience
  • A NOVEL ENDOSCOPIC FUNDOPLICATION FOR GASTROESOPHAGEAL REFLUX DISEASE; ANTI-REFLUX MUCOSAL ABLATION (ARMA)
    Tanabe, Mayo; Inoue, Haruhiro; Ueno, Akiko; Shimamura, Yuto; Fukuda, Hisashi; Sumi, Kazuya; Tomida, Hideomi; Iwaya, Yugo; Ikeda, Haruo; Onimaru, Manabu;
    GASTROINTESTINAL ENDOSCOPY, 89(6), AB190-AB190, 2019年06月WebofScience
  • THE EFFICACY OF ANTI-REFLUX MUCOSECTOMY (ARMS): A THREE-YEAR FOLLOW-UP STUDY
    Sumi, Kazuya; Inoue, Haruhiro; Shimamura, Yuto; Iwaya, Yugo; Tomida, Hideomi; Tanabe, Mayo; Fujiyoshi, Yusuke; Ikeda, Haruo; Onimaru, Manabu;
    GASTROINTESTINAL ENDOSCOPY, 89(6), AB195-AB195, 2019年06月WebofScience
  • A NEWLY DEVELOPED DIAGNOSTIC TOOL FOR GERD AND NERD: ENDOSCOPIC PRESSURE STUDY INTEGRATED SYSTEM (EPSIS)
    Shimamura, Yuto; Manolakis, Anastassios C.; de Santiago, Enrique Rodriguez; Kobayashi, Yasutoshi; Ominami, Masaki; Fujiyoshi, Yusuke; Fukuda, Hisashi; Tomida, Hideomi; Sumi, Kazuya; Iwaya, Yugo; Ikeda, Haruo; Onimaru, Manabu; Inoue, Haruhiro;
    GASTROINTESTINAL ENDOSCOPY, 89(6), AB197-AB197, 2019年06月WebofScience
  • RETROGRADE DOUBLE-BALLOON ENTEROSCOPY FOR TREATMENT OF REFRACTORY DISTAL INTESTINAL OBSTRUCTION SYNDROME: DESCRIPTION OF A NOVEL APPLICATION
    Rumman, Amir; Al Ghamdi, Sarah; Iwaya, Yugo; Teshima, Christopher W.; May, Gary R.;
    GASTROINTESTINAL ENDOSCOPY, 89(6), AB124-AB124, 2019年06月WebofScience
  • UTILIZING THE NOVEL ENDOSCOPIC PRESSURE STUDY INTEGRATED SYSTEM (EPSIS) AND ITS RELATION TO EROSIVE ESOPHAGITIS AND BARRETT'S ESOPHAGUS
    Fujiyoshi, Yusuke; Iwaya, Yugo; Shimamura, Yuto; Sumi, Kazuya; Ikeda, Haruo; Onimaru, Manabu; Inoue, Haruhiro;
    GASTROINTESTINAL ENDOSCOPY, 89(6), AB466-AB466, 2019年06月WebofScience
  • A NOVEL ENDOSCOPIC FUNDOPLICATION FOR GASTROESOPHAGEAL REFLUX DISEASE; ANTI-REFLUX MUCOSAL ABLATION (ARMA)
    Tanabe, Mayo; Inoue, Haruhiro; Ueno, Akiko; Shimamura, Yuto; Fukuda, Hisashi; Sumi, Kazuya; Tomida, Hideomi; Iwaya, Yugo; Ikeda, Haruo; Onimaru, Manabu;
    GASTROINTESTINAL ENDOSCOPY, 89(6), AB190-AB190, 2019年06月WebofScience
  • THE EFFICACY OF ANTI-REFLUX MUCOSECTOMY (ARMS): A THREE-YEAR FOLLOW-UP STUDY
    Sumi, Kazuya; Inoue, Haruhiro; Shimamura, Yuto; Iwaya, Yugo; Tomida, Hideomi; Tanabe, Mayo; Fujiyoshi, Yusuke; Ikeda, Haruo; Onimaru, Manabu;
    GASTROINTESTINAL ENDOSCOPY, 89(6), AB195-AB195, 2019年06月WebofScience
  • A NEWLY DEVELOPED DIAGNOSTIC TOOL FOR GERD AND NERD: ENDOSCOPIC PRESSURE STUDY INTEGRATED SYSTEM (EPSIS)
    Shimamura, Yuto; Manolakis, Anastassios C.; de Santiago, Enrique Rodriguez; Kobayashi, Yasutoshi; Ominami, Masaki; Fujiyoshi, Yusuke; Fukuda, Hisashi; Tomida, Hideomi; Sumi, Kazuya; Iwaya, Yugo; Ikeda, Haruo; Onimaru, Manabu; Inoue, Haruhiro;
    GASTROINTESTINAL ENDOSCOPY, 89(6), AB197-AB197, 2019年06月WebofScience
  • RETROGRADE DOUBLE-BALLOON ENTEROSCOPY FOR TREATMENT OF REFRACTORY DISTAL INTESTINAL OBSTRUCTION SYNDROME: DESCRIPTION OF A NOVEL APPLICATION
    Rumman, Amir; Al Ghamdi, Sarah; Iwaya, Yugo; Teshima, Christopher W.; May, Gary R.;
    GASTROINTESTINAL ENDOSCOPY, 89(6), AB124-AB124, 2019年06月WebofScience
  • A NOVEL ENDOSCOPIC FUNDOPLICATION FOR GASTROESOPHAGEAL REFLUX DISEASE; ANTI-REFLUX MUCOSAL ABLATION (ARMA)
    Tanabe, Mayo; Inoue, Haruhiro; Ueno, Akiko; Shimamura, Yuto; Fukuda, Hisashi; Sumi, Kazuya; Tomida, Hideomi; Iwaya, Yugo; Ikeda, Haruo; Onimaru, Manabu;
    GASTROINTESTINAL ENDOSCOPY, 89(6), AB190-AB190, 2019年06月WebofScience
  • THE EFFICACY OF ANTI-REFLUX MUCOSECTOMY (ARMS): A THREE-YEAR FOLLOW-UP STUDY
    Sumi, Kazuya; Inoue, Haruhiro; Shimamura, Yuto; Iwaya, Yugo; Tomida, Hideomi; Tanabe, Mayo; Fujiyoshi, Yusuke; Ikeda, Haruo; Onimaru, Manabu;
    GASTROINTESTINAL ENDOSCOPY, 89(6), AB195-AB195, 2019年06月WebofScience
  • Clinical characteristics may distinguish patients with esophageal adenocarcinoma arising from long- versus short-segment Barrett's esophagus.
    Iwaya Y, Shimamura Y, Mosko JD, Kandel G, Kortan PP, May GR, Marcon NE, Teshima CW.
    Dig Liver Dis., 27, 2019年05月
  • HELICOBACTER PYLORI INFECTION AMONG YOUNG PEOPLE AND THEIR CHARACTERISTIC ENDOSCOPIC IMAGES
    Uehara, Hiroyuki; Akamatsu, Taiji; Suga, Tomoaki; Nagaya, Tadanobu; Iwaya, Yugo; Okamura, Takuma; Ito, Akihiro; Tanaka, Eiji;
    GASTROENTEROLOGY, 156(6), S526-S526, 2019年05月WebofScience
  • A Schwannoma of the Small Bowel
    Iwaya, Yugo; Streutker, Catherine; Marcon, Norman;
    CLINICAL GASTROENTEROLOGY AND HEPATOLOGY, 17(4), E35-E35, 2019年03月WebofScience電子ジャーナル
  • Clinical characteristics of young patients with early Barrett's neoplasia
    Iwaya, Yugo; Shimamura, Yuto; Goda, Kenichi; Rodriguez de Santiago, Enrique; Coneys, John Gerard; Mosko, Jeffrey D.; Kandel, Gabor; Kortan, Paul; May, Gary; Marcon, Norman; Teshima, Christopher;
    WORLD JOURNAL OF GASTROENTEROLOGY, 25(24), 3069-3078, 2019年WebofScience電子ジャーナル
  • Buried Barrett's Adenocarcinoma Clearly Demonstrated with Acetic Acid Chromoendoscopy
    Iwaya, Yugo; Rowsell, Corwyn; Gupta, Vikas; Marcon, Norman;
    AMERICAN JOURNAL OF GASTROENTEROLOGY, 113(11), 1580-1580, 2018年11月WebofScience電子ジャーナル
  • Hemangiolymphangioma of the small bowel: A rare cause of chronic anemia
    Iwaya, Yugo; Streutker, Catherine J.; Coneys, J. Gerard; Marcon, Norman;
    DIGESTIVE AND LIVER DISEASE, 50(11), 1248-1248, 2018年11月WebofScience電子ジャーナル
  • Narrow-band imaging of a gastric carcinoma with lymphoid stroma associated with Epstein-Barr virus
    Iwaya, Yugo; Streutker, Catherine J.; Marcon, Norman;
    GASTROINTESTINAL ENDOSCOPY, 88(2), 400-401, 2018年08月WebofScience電子ジャーナル
  • ONGOING GERD SYMPTOMS AND OBESITY ARE POTENTIAL RISK FACTORS FOR BARRETT'S ADENOCARCINOMA AND HIGH-GRADE DYSPLASIA AMONG PATIENTS UNDER 50 YEARS OF AGE
    Iwaya, Yugo; Shimamura, Yuto; Cirocco, Maria; Mosko, Jeffrey D.; Kandel, Gabor; Kortan, Paul P.; May, Gary R.; Marcon, Norman E.; Teshima, Christopher W.;
    GASTROINTESTINAL ENDOSCOPY, 87(6), AB275-AB275, 2018年06月WebofScience
  • Endoscopic treatment of Barrett's esophagus: What can we learn from the Western perspective?
    Shimamura, Yuto; Iwaya, Yugo; Goda, Kenichi; Teshima, Christopher W.;
    DIGESTIVE ENDOSCOPY, 30(2), 182-191, 2018年03月WebofScience電子ジャーナル
  • Hot avulsion may be effective as salvage treatment for focal Barrett's esophagus remaining after endoscopic therapy for dysplasia or early cancer: a preliminary study
    Aranda-Hernandez, Javier; Shimamura, Yuto; Grin, Andrea; Iwaya, Yugo; Cirocco, Maria; Kandel, Gabor; May, Gary; Kortan, Paul; Raftopoulos, Spiro; Marcon, Norman;
    ENDOSCOPY, 50(1), 8-13, 2018年01月WebofScience電子ジャーナル
  • Clinical Predictors of Response to Endoscopic Therapy of Barrett's Related Early Esophageal Adenocarcinoma
    Shimamura, Yuto; Iwaya, Yugo; Teshima, Christopher W.; Akram, Hamzah; Cirocco, Maria; Raftopoulos, Spiro; Mosko, Jeffrey D.; Kandel, Gabor; Kortan, Paul P.; May, Gary R.; Marcon, Norman E.;
    GASTROINTESTINAL ENDOSCOPY, 85(5), AB414-AB415, 2017年05月WebofScience
  • CLINICAL CHARACTERISTICS MAY DISTINGUISH PATIENTS WITH ESOPHAGEAL ADENOCARCINOMA ARISING FROM SHORT-VERSUS LONG-SEGMENT BARRETT'S ESOPHAGUS
    Iwaya, Yugo; Shimamura, Yuto; Teshima, Christopher W.; Akram, Hamzah; Cirocco, Maria; Raftopoulos, Spiro; Mosko, Jeffrey D.; Kandel, Gabor; Kortan, Paul P.; May, Gary R.; Marcon, Norman E.;
    GASTROENTEROLOGY, 152(5), S235-S235, 2017年04月WebofScience
  • Case of Barrett's adenocarcinoma with marked endoscopic morphological changes in Barrett's esophagus over a long follow-up period of 15 years
    Iwaya, Yugo; Yamazaki, Tomoo; Watanabe, Takayuki; Seki, Ayako; Ochi, Yasuhide; Hara, Etsuo; Arakura, Norikazu; Tanaka, Eiji; Hasebe, Osamu;
    DIGESTIVE ENDOSCOPY, 28(5), 607-610, 2016年07月WebofScience電子ジャーナル
  • A Case of Esophageal Hemangioma Successfully Treated by Endoscopic Injection Sclerotherapy
    Suga Tomoaki; Okamura Takuma; Iwaya Yugo; Ito Tetsuya; Arakura Norikazu; Umemura Takeji; Tanaka Eiji
    信州医学雑誌, 64(2), 75-78, 2016年04月10日リポジトリ
  • Enhanced Expression of Fibroblast Growth Factor Receptor 3 IIIc Promotes Human Esophageal Carcinoma Cell Proliferation
    Ueno, Nobuhiro; Shimizu, Akio; Kanai, Michiyuki; Iwaya, Yugo; Ueda, Shugo; Nakayama, Jun; Seo, Misuzu Kurokawa;
    JOURNAL OF HISTOCHEMISTRY & CYTOCHEMISTRY, 64(1), 7-17, 2016年01月WebofScience電子ジャーナル
  • Screening to Identify and Eradicate Helicobacter pylori Infection in Teenagers in Japan
    Akamatsu, Taiji; Okamura, Takuma; Iwaya, Yugo; Suga, Tomoaki;
    GASTROENTEROLOGY CLINICS OF NORTH AMERICA, 44(3), 667-+, 2015年09月WebofScience電子ジャーナル
  • Screening to Identify and Eradicate Helicobacter pylori Infection in Teenagers in Japan
    Akamatsu, Taiji; Okamura, Takuma; Iwaya, Yugo; Suga, Tomoaki;
    GASTROENTEROLOGY CLINICS OF NORTH AMERICA, 44(3), 667-+, 2015年09月WebofScience電子ジャーナル
  • Principal cells in gastric neoplasia of fundic gland (chief cell predominant) type show characteristics of immature chief cells
    Ota, Hiroyoshi; Yamaguchi, Dai; Iwaya, Mai; Kobayashi, Mikiko; Tateiwa, Nobuyuki; Iwaya, Yugo; Momose, Masanobu; Uehara, Takeshi;
    PATHOLOGY INTERNATIONAL, 65(4), 202-204, 2015年04月WebofScience電子ジャーナル
  • Principal cells in gastric neoplasia of fundic gland (chief cell predominant) type show characteristics of immature chief cells
    Ota, Hiroyoshi; Yamaguchi, Dai; Iwaya, Mai; Kobayashi, Mikiko; Tateiwa, Nobuyuki; Iwaya, Yugo; Momose, Masanobu; Uehara, Takeshi;
    PATHOLOGY INTERNATIONAL, 65(4), 202-204, 2015年04月WebofScience電子ジャーナル
  • Superficially located enlarged lymphoid follicles characterise nodular gastritis
    Okamura, Takuma; Sakai, Yasuhiro; Hoshino, Hitomi; Iwaya, Yugo; Tanaka, Eiji; Kobayashi, Motohiro;
    PATHOLOGY, 47(1), 38-44, 2015年01月WebofScience電子ジャーナル
  • Superficially located enlarged lymphoid follicles characterise nodular gastritis
    Okamura, Takuma; Sakai, Yasuhiro; Hoshino, Hitomi; Iwaya, Yugo; Tanaka, Eiji; Kobayashi, Motohiro;
    PATHOLOGY, 47(1), 38-44, 2015年01月WebofScience電子ジャーナル
  • Helicobacter pylori-negative Differentiated Adenocarcinoma of the Stomach
    Nagaya, Tadanobu; Tanaka, Naoki; Iwaya, Yugo; Jimbo, Yoko; Tatai, Toshiharu; Ito, Tetsuya; Seki, Ayako; Suzawa, Kenichi; Ochi, Yasuhide; Hara, Etsuo; Takata, Manabu; Otsuki, Toshiaki; Iwaya, Mai; Hosaka, Noriko; Arakura, Norikazu; Tanaka, Eiji; Hasebe, Osamu;
    INTERNAL MEDICINE, 54(22), 2857-2862, 2015年WebofScience電子ジャーナル
  • Superficially-Located Enlarged Lymphoid Follicles Characterize Nodular Gastritis
    Okamura, Takuma; Sakai, Yasuhiro; Hoshino, Hitomi; Iwaya, Yugo; Tanaka, Eiji; Kobayashi, Motohiro;
    GLYCOBIOLOGY, 24(11), 1123-1124, 2014年11月WebofScience
  • Reduced expression of alpha GlcNAc in Barrett's oesophagus adjacent to Barrett's adenocarcinoma - a possible biomarker to predict the malignant potential of Barrett's oesophagus
    Iwaya, Yugo; Hasebe, Osamu; Koide, Naohiko; Kitahara, Kei; Suga, Tomoaki; Shinji, Akihiro; Muraki, Takashi; Yokosawa, Shuichi; Yamada, Shigenori; Arakura, Norikazu; Tanaka, Eiji; Nakayama, Jun;
    HISTOPATHOLOGY, 64(4), 536-546, 2014年03月WebofScience電子ジャーナル
  • 未分化型早期胃癌における適応拡大条件と粘液組織学的検討 (特集 未分化型早期胃癌の診断とESDの適応)
    岡村 卓磨; 長屋 匡信; 岩谷 勇吾;
    消化器内科, 58(3), 283-290, 2014年03月リポジトリ
  • Eosinophilic gastroenteritis complicated with Helicobacter pylori infection unresponsive to eradication therapy
    Nakamura, Akira; Iwaya, Yugo; Iwaya, Mai; Okamura, Takuma; Kobayashi, Satoshi; Daikuhara, Seiichi; Nozawa, Yuichi; Fukuzawa, Shinya; Nakamura, Shinichiro; Okuhara, Sadahisa; Yamada, Shigenori; Yokosawa, Shuichi; Suga, Tomoaki; Arakura, Norikazu; Tanaka, Eiji;
    INTERNAL MEDICINE, 53(18), 2061-2065, 2014年WebofScience電子ジャーナル
  • High Levels of FOXP3(+) Regulatory T Cells in Gastric MALT Lymphoma Predict Responsiveness to Helicobacter pylori Eradication
    Iwaya, Yugo; Kobayashi, Motohiro; Momose, Masanobu; Hiraoka, Nobuyoshi; Sakai, Yasuhiro; Akamatsu, Taiji; Tanaka, Eiji; Ohtani, Haruo; Fukuda, Minoru; Nakayama, Jun;
    HELICOBACTER, 18(5), 356-362, 2013年10月WebofScience電子ジャーナル
  • 門脈内ガスを伴った急性胃蜂窩織炎の1例
    久保 直樹; 佐藤 敏行; 花岡 孝臣; 岩谷 勇吾;
    日本腹部救急医学会雑誌 = Journal of abdominal emergency medicine, 33(1), 145-150, 2013年01月31日リポジトリ
  • Introduction of an examination and treatment for Helicobacter pylori infection in high school health screening (vol 46, pg 1353, 2011)
    Akamatsu, Taiji; Ichikawa, Shinya; Okudaira, Sadahide; Yokosawa, Shuichi; Iwaya, Yugo; Suga, Tomoaki; Ota, Hiroyoshi; Tanaka, Eiji;
    JOURNAL OF GASTROENTEROLOGY, 47(12), 1363-1363, 2012年12月WebofScience電子ジャーナル
  • Reduced Expression of alpha GlcNAc May Predict a Premalignant Potential of Barrett's Esophagus
    Iwaya, Yugo; Hasebe, Osamu; Koide, Naohiko; Kitahara, Kei; Suga, Tomoaki; Shinji, Akihiro; Muraki, Takashi; Yokosawa, Shuichi; Yamada, Shigenori; Arakura, Norikazu; Tanaka, Eiji; Nakayama, Jun;
    GASTROENTEROLOGY, 142(5), S624-S624, 2012年05月WebofScience
  • 内視鏡所見の遡及的検討が可能であったバレット表在癌の13症例 (特集 逆流性食道炎とBarrett食道)
    山田 重徳; 岩谷 勇吾; 長谷部 修;
    消化器内科, 54(2), 209-215, 2012年02月リポジトリ
  • Introduction of an examination and treatment for Helicobacter pylori infection in high school health screening
    Akamatsu, Taiji; Ichikawa, Shinya; Okudaira, Sadahide; Yokosawa, Shuichi; Iwaya, Yugo; Suga, Tomoaki; Ota, Hiroyoshi; Tanaka, Eiji;
    JOURNAL OF GASTROENTEROLOGY, 46(12), 1353-1360, 2011年12月WebofScience電子ジャーナル
  • 未分化型胃癌の治療における臨床病理学的検討(粘膜内重層構造の意義) (特集 未分化型早期胃癌の治療戦略)
    長屋 匡信; 岩谷 勇吾; 菅 智明;
    消化器内科, 53(4), 360-367, 2011年10月リポジトリ
  • Primary Gastric Diffuse Large B-cell Lymphoma with Orbital Involvement: Diagnostic Usefulness of F-18-fluorodeoxyglucose Positron Emission Tomography
    Iwaya, Yugo; Takenaka, Kazuhiro; Akamatsu, Taiji; Yamada, Yuki; Haba, Shin; Matsuda, Kensuke; Nakazawa, Hideyuki; Muraki, Takashi; Kaneko, Yasunori; Ito, Toshiro; Sano, Kenji; Arakura, Norikazu; Tanaka, Eiji; Ishida, Fumihiro;
    INTERNAL MEDICINE, 50(18), 1953-1956, 2011年WebofScience電子ジャーナル
  • 第3病日に診断を確定し,救命し得た重症レジオネラ肺炎の1例
    山田 重徳; 城下 智; 村木 崇; 山田 雪; 岩谷 勇吾; 横沢 秀一; 古川 賢一; 石田 文宏; 田中 榮司;
    信州医学雑誌, 59(1), 27-31, 2011年リポジトリ
  • 高齢者における胃潰瘍と胃癌の鑑別診断 (特集 高齢者胃潰瘍--低用量アスピリン潰瘍に焦点をあてて) -- (高齢者胃潰瘍の診断・検査)
    岩谷 勇吾; 赤松 泰次; 伊藤 哲也;
    日本臨床, 68(11), 2036-2039, 2010年11月リポジトリ
  • 上部消化管内視鏡検査が発見の契機となった嚥下障害を伴う頸椎前縦靱帯骨化症の1例
    岩谷 勇吾; 村木 崇; 山田 重徳; 横澤 秀一; 新倉 則和; 赤松 泰次; 田中 榮司;
    日本消化器内視鏡学会雑誌 = Gastroenterological endoscopy, 52(7), 1677-1683, 2010年07月20日リポジトリ
  • 「皮膚科学」「消化器内科」
    古賀 弘志; 岩谷 勇吾;
    信州医学雑誌, 55(1), 2007年リポジトリ

所属学協会

  • アメリカ消化器内視鏡学会
  • 日本消化器内視鏡学会
  • 日本ヘリコバクター学会
  • 日本消化管学会
  • 日本内科学会
  • 日本消化器病学会
  • 日本食道学会
  • 日本がん治療認定医機構

その他

  • 日本食道学会食道科認定医
    2022年01月01日
  • 日本消化管学会胃腸科専門医
    2021年11月01日
  • 日本消化器病学会指導医
    2020年01月01日
  • カナダ オンタリオ州医師免許 The College of Physicians and Surgeons of Ontario (CPSO)
    2016年07月01日
  • 日本消化器内視鏡学会指導医
    2015年12月01日
  • 日本消化器病学会消化器病専門医
    2012年01月01日
  • 日本消化器内視鏡学会消化器内視鏡専門医
    2011年12月01日
  • 日本内科学会総合内科専門医
    2010年12月10日
  • 日本ヘリコバクター学会H.pylori(ピロリ菌)感染症認定医
    2010年11月01日
  • 日本内科学会認定内科医
    2007年10月02日