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岩谷 勇吾  イワヤ ユウゴ

教員組織学術研究院(医学系(附属病院))電話番号
教育組織医学部附属病院 内科(2)FAX番号
職名助教メールアドレス
住所〒390-8621 長野県松本市旭3-1-1ホームページURL

プロフィール

研究分野
消化器内科
所属学会
所属学会
アメリカ消化器内視鏡学会
日本内科学会
日本消化器病学会
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
日本食道学会
日本がん治療認定医機構

所属学会役職担当
日本消化器内視鏡学会 , 甲信越支部評議員、学術評議員
日本消化器病学会 , 甲信越支部評議員、学会評議員
学歴
出身大学院
2014 , 信州大学大学院

取得学位
医学博士 , 信州大学
医学士 , 信州大学

免許・資格等
20160701 , カナダ オンタリオ州医師免許 The College of Physicians and Surgeons of Ontario (CPSO)
20151201 , 日本消化器内視鏡学会指導医
20131101 , 日本消化管学会胃腸科認定医
20120101 , 日本消化器病学会消化器病専門医
20111201 , 日本消化器内視鏡学会消化器内視鏡専門医
20110401 , 日本がん治療認定医機構がん治療認定医
20101210 , 日本内科学会総合内科専門医
20101101 , 日本ヘリコバクター学会H.pylori(ピロリ菌)感染症認定医
20071002 , 日本内科学会認定内科医
研究職歴等
留学歴
2016-2018 , 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

研究活動業績

研究業績(著書・
発表論文等)
論文
A NOVEL ENDOSCOPIC FUNDOPLICATION FOR GASTROESOPHAGEAL REFLUX DISEASE; ANTI-REFLUX MUCOSAL ABLATION (ARMA)
GASTROINTESTINAL ENDOSCOPY,89(6):AB190-AB190 2019(Jun.)
Author:Tanabe, Mayo; Inoue, Haruhiro; Ueno, Akiko; Shimamura, Yuto; Fukuda, Hisashi; Sumi, Kazuya; Tomida, Hideomi; Iwaya, Yugo; Ikeda, Haruo; Onimaru, Manabu;


UTILIZING THE NOVEL ENDOSCOPIC PRESSURE STUDY INTEGRATED SYSTEM (EPSIS) AND ITS RELATION TO EROSIVE ESOPHAGITIS AND BARRETT'S ESOPHAGUS
GASTROINTESTINAL ENDOSCOPY,89(6):AB466-AB466 2019(Jun.)
Author:Fujiyoshi, Yusuke; Iwaya, Yugo; Shimamura, Yuto; Sumi, Kazuya; Ikeda, Haruo; Onimaru, Manabu; Inoue, Haruhiro;


RETROGRADE DOUBLE-BALLOON ENTEROSCOPY FOR TREATMENT OF REFRACTORY DISTAL INTESTINAL OBSTRUCTION SYNDROME: DESCRIPTION OF A NOVEL APPLICATION
GASTROINTESTINAL ENDOSCOPY,89(6):AB124-AB124 2019(Jun.)
Author:Rumman, Amir; Al Ghamdi, Sarah; Iwaya, Yugo; Teshima, Christopher W.; May, Gary R.;


A NEWLY DEVELOPED DIAGNOSTIC TOOL FOR GERD AND NERD: ENDOSCOPIC PRESSURE STUDY INTEGRATED SYSTEM (EPSIS)
GASTROINTESTINAL ENDOSCOPY,89(6):AB197-AB197 2019(Jun.)
Author: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;


THE EFFICACY OF ANTI-REFLUX MUCOSECTOMY (ARMS): A THREE-YEAR FOLLOW-UP STUDY
GASTROINTESTINAL ENDOSCOPY,89(6):AB195-AB195 2019(Jun.)
Author:Sumi, Kazuya; Inoue, Haruhiro; Shimamura, Yuto; Iwaya, Yugo; Tomida, Hideomi; Tanabe, Mayo; Fujiyoshi, Yusuke; Ikeda, Haruo; Onimaru, Manabu;


HELICOBACTER PYLORI INFECTION AMONG YOUNG PEOPLE AND THEIR CHARACTERISTIC ENDOSCOPIC IMAGES
GASTROENTEROLOGY,156(6):S526-S526 2019(May)
Author:Uehara, Hiroyuki; Akamatsu, Taiji; Suga, Tomoaki; Nagaya, Tadanobu; Iwaya, Yugo; Okamura, Takuma; Ito, Akihiro; Tanaka, Eiji;


Clinical characteristics may distinguish patients with esophageal adenocarcinoma arising from long- versus short-segment Barrett's esophagus.
Dig Liver Dis.,27 2019(May)
Author:Iwaya Y, Shimamura Y, Mosko JD, Kandel G, Kortan PP, May GR, Marcon NE, Teshima CW.


A Schwannoma of the Small Bowel
CLINICAL GASTROENTEROLOGY AND HEPATOLOGY,17(4):E35-E35 2019(Mar.)
Author:Iwaya, Yugo; Streutker, Catherine; Marcon, Norman;


Clinical characteristics of young patients with early Barrett's neoplasia
WORLD JOURNAL OF GASTROENTEROLOGY,25(24):3069-3078 2019
Author: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;


Hemangiolymphangioma of the small bowel: A rare cause of chronic anemia
DIGESTIVE AND LIVER DISEASE,50(11):1248-1248 2018(Nov.)
Author:Iwaya, Yugo; Streutker, Catherine J.; Coneys, J. Gerard; Marcon, Norman;


Buried Barrett's Adenocarcinoma Clearly Demonstrated with Acetic Acid Chromoendoscopy
AMERICAN JOURNAL OF GASTROENTEROLOGY,113(11):1580-1580 2018(Nov.)
Author:Iwaya, Yugo; Rowsell, Corwyn; Gupta, Vikas; Marcon, Norman;


Narrow-band imaging of a gastric carcinoma with lymphoid stroma associated with Epstein-Barr virus
GASTROINTESTINAL ENDOSCOPY,88(2):400-401 2018(Aug.)
Author:Iwaya, Yugo; Streutker, Catherine J.; Marcon, Norman;


ONGOING GERD SYMPTOMS AND OBESITY ARE POTENTIAL RISK FACTORS FOR BARRETT'S ADENOCARCINOMA AND HIGH-GRADE DYSPLASIA AMONG PATIENTS UNDER 50 YEARS OF AGE
GASTROINTESTINAL ENDOSCOPY,87(6):AB275-AB275 2018(Jun.)
Author:Iwaya, Yugo; Shimamura, Yuto; Cirocco, Maria; Mosko, Jeffrey D.; Kandel, Gabor; Kortan, Paul P.; May, Gary R.; Marcon, Norman E.; Teshima, Christopher W.;


Endoscopic treatment of Barrett's esophagus: What can we learn from the Western perspective?
DIGESTIVE ENDOSCOPY,30(2):182-191 2018(Mar.)
Author:Shimamura, Yuto; Iwaya, Yugo; Goda, Kenichi; Teshima, Christopher W.;


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
ENDOSCOPY,50(1):8-13 2018(Jan.)
Author:Aranda-Hernandez, Javier; Shimamura, Yuto; Grin, Andrea; Iwaya, Yugo; Cirocco, Maria; Kandel, Gabor; May, Gary; Kortan, Paul; Raftopoulos, Spiro; Marcon, Norman;


Clinical Predictors of Response to Endoscopic Therapy of Barrett's Related Early Esophageal Adenocarcinoma
GASTROINTESTINAL ENDOSCOPY,85(5):AB414-AB415 2017(May)
Author: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.;


CLINICAL CHARACTERISTICS MAY DISTINGUISH PATIENTS WITH ESOPHAGEAL ADENOCARCINOMA ARISING FROM SHORT-VERSUS LONG-SEGMENT BARRETT'S ESOPHAGUS
GASTROENTEROLOGY,152(5):S235-S235 2017(Apr.)
Author: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.;


Case of Barrett's adenocarcinoma with marked endoscopic morphological changes in Barrett's esophagus over a long follow-up period of 15 years
DIGESTIVE ENDOSCOPY,28(5):607-610 2016(Jul.)
Author:Iwaya, Yugo; Yamazaki, Tomoo; Watanabe, Takayuki; Seki, Ayako; Ochi, Yasuhide; Hara, Etsuo; Arakura, Norikazu; Tanaka, Eiji; Hasebe, Osamu;


A Case of Esophageal Hemangioma Successfully Treated by Endoscopic Injection Sclerotherapy
信州医学雑誌,64(2):75-78 2016(Apr. 10)
Author:Suga Tomoaki; Okamura Takuma; Iwaya Yugo; Ito Tetsuya; Arakura Norikazu; Umemura Takeji; Tanaka Eiji
Keywords:esophagus, hemangioma, therapy, endoscopic injection sclerotherapy


Enhanced Expression of Fibroblast Growth Factor Receptor 3 IIIc Promotes Human Esophageal Carcinoma Cell Proliferation
JOURNAL OF HISTOCHEMISTRY & CYTOCHEMISTRY,64(1):7-17 2016(Jan.)
Author:Ueno, Nobuhiro; Shimizu, Akio; Kanai, Michiyuki; Iwaya, Yugo; Ueda, Shugo; Nakayama, Jun; Seo, Misuzu Kurokawa;


Screening to Identify and Eradicate Helicobacter pylori Infection in Teenagers in Japan
GASTROENTEROLOGY CLINICS OF NORTH AMERICA,44(3):667-+ 2015(Sep.)
Author:Akamatsu, Taiji; Okamura, Takuma; Iwaya, Yugo; Suga, Tomoaki;


Screening to Identify and Eradicate Helicobacter pylori Infection in Teenagers in Japan
GASTROENTEROLOGY CLINICS OF NORTH AMERICA,44(3):667-+ 2015(Sep.)
Author:Akamatsu, Taiji; Okamura, Takuma; Iwaya, Yugo; Suga, Tomoaki;


Principal cells in gastric neoplasia of fundic gland (chief cell predominant) type show characteristics of immature chief cells
PATHOLOGY INTERNATIONAL,65(4):202-204 2015(Apr.)
Author:Ota, Hiroyoshi; Yamaguchi, Dai; Iwaya, Mai; Kobayashi, Mikiko; Tateiwa, Nobuyuki; Iwaya, Yugo; Momose, Masanobu; Uehara, Takeshi;


Principal cells in gastric neoplasia of fundic gland (chief cell predominant) type show characteristics of immature chief cells
PATHOLOGY INTERNATIONAL,65(4):202-204 2015(Apr.)
Author:Ota, Hiroyoshi; Yamaguchi, Dai; Iwaya, Mai; Kobayashi, Mikiko; Tateiwa, Nobuyuki; Iwaya, Yugo; Momose, Masanobu; Uehara, Takeshi;


Superficially located enlarged lymphoid follicles characterise nodular gastritis
PATHOLOGY,47(1):38-44 2015(Jan.)
Author:Okamura, Takuma; Sakai, Yasuhiro; Hoshino, Hitomi; Iwaya, Yugo; Tanaka, Eiji; Kobayashi, Motohiro;


Superficially located enlarged lymphoid follicles characterise nodular gastritis
PATHOLOGY,47(1):38-44 2015(Jan.)
Author:Okamura, Takuma; Sakai, Yasuhiro; Hoshino, Hitomi; Iwaya, Yugo; Tanaka, Eiji; Kobayashi, Motohiro;


Helicobacter pylori-negative Differentiated Adenocarcinoma of the Stomach
INTERNAL MEDICINE,54(22):2857-2862 2015
Author: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;


Superficially-Located Enlarged Lymphoid Follicles Characterize Nodular Gastritis
GLYCOBIOLOGY,24(11):1123-1124 2014(Nov.)
Author:Okamura, Takuma; Sakai, Yasuhiro; Hoshino, Hitomi; Iwaya, Yugo; Tanaka, Eiji; Kobayashi, Motohiro;


Superficially-Located Enlarged Lymphoid Follicles Characterize Nodular Gastritis
GLYCOBIOLOGY,24(11):1123-1124 2014(Nov.)
Author:Okamura, Takuma; Sakai, Yasuhiro; Hoshino, Hitomi; Iwaya, Yugo; Tanaka, Eiji; Kobayashi, Motohiro;


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
HISTOPATHOLOGY,64(4):536-546 2014(Mar.)
Author:Iwaya, Yugo; Hasebe, Osamu; Koide, Naohiko; Kitahara, Kei; Suga, Tomoaki; Shinji, Akihiro; Muraki, Takashi; Yokosawa, Shuichi; Yamada, Shigenori; Arakura, Norikazu; Tanaka, Eiji; Nakayama, Jun;


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)
消化器内科,58(3):283-290 2014(Mar.)
Author:岡村 卓磨; 長屋 匡信; 岩谷 勇吾;
Keywords:intramucosal laminated structure; organoid structure; undifferentiated gastric carcinoma;


Eosinophilic Gastroenteritis Complicated with Helicobacter pylori Infection Unresponsive to Eradication Therapy
INTERNAL MEDICINE,53(18):2061-2065 2014
Author: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;


Eosinophilic Gastroenteritis Complicated with Helicobacter pylori Infection Unresponsive to Eradication Therapy
INTERNAL MEDICINE,53(18):2061-2065 2014
Author: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;


High Levels of FOXP3(+) Regulatory T Cells in Gastric MALT Lymphoma Predict Responsiveness to Helicobacter pylori Eradication
HELICOBACTER,18(5):356-362 2013(Oct.)
Author:Iwaya, Yugo; Kobayashi, Motohiro; Momose, Masanobu; Hiraoka, Nobuyoshi; Sakai, Yasuhiro; Akamatsu, Taiji; Tanaka, Eiji; Ohtani, Haruo; Fukuda, Minoru; Nakayama, Jun;


門脈内ガスを伴った急性胃蜂窩織炎の1例
日本腹部救急医学会雑誌 = Journal of abdominal emergency medicine,33(1):145-150 2013(Jan. 31)
Author:久保 直樹; 佐藤 敏行; 花岡 孝臣; 岩谷 勇吾;
Keywords:胃蜂窩織炎; 門脈ガス血症;


Introduction of an examination and treatment for Helicobacter pylori infection in high school health screening (vol 46, pg 1353, 2011)
JOURNAL OF GASTROENTEROLOGY,47(12):1363-1363 2012(Dec.)
Author:Akamatsu, Taiji; Ichikawa, Shinya; Okudaira, Sadahide; Yokosawa, Shuichi; Iwaya, Yugo; Suga, Tomoaki; Ota, Hiroyoshi; Tanaka, Eiji;


Reduced Expression of alpha GlcNAc May Predict a Premalignant Potential of Barrett's Esophagus
GASTROENTEROLOGY,142(5):S624-S624 2012(May)
Author:Iwaya, Yugo; Hasebe, Osamu; Koide, Naohiko; Kitahara, Kei; Suga, Tomoaki; Shinji, Akihiro; Muraki, Takashi; Yokosawa, Shuichi; Yamada, Shigenori; Arakura, Norikazu; Tanaka, Eiji; Nakayama, Jun;


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)
消化器内科,54(2):209-215 2012(Feb.)
Author:山田 重徳; 岩谷 勇吾; 長谷部 修;
Keywords:gastro esophageal reflux disease (GERD); reflux esophagitis (RE); Barrett's esophagus; Barrett's adenocarcinoma;


Introduction of an examination and treatment for Helicobacter pylori infection in high school health screening
JOURNAL OF GASTROENTEROLOGY,46(12):1353-1360 2011(Dec.)
Author:Akamatsu, Taiji; Ichikawa, Shinya; Okudaira, Sadahide; Yokosawa, Shuichi; Iwaya, Yugo; Suga, Tomoaki; Ota, Hiroyoshi; Tanaka, Eiji;


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)
消化器内科,53(4):360-367 2011(Oct.)
Author:長屋 匡信; 岩谷 勇吾; 菅 智明;
Keywords:MUC5AC; MUC6; intramucosal laminated structure; organoid structure;


Primary Gastric Diffuse Large B-cell Lymphoma with Orbital Involvement: Diagnostic Usefulness of F-18-fluorodeoxyglucose Positron Emission Tomography
INTERNAL MEDICINE,50(18):1953-1956 2011
Author: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;


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
信州医学雑誌,59(1):27-31 2011
Author: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;
Keywords:レジオネラ肺炎; レジオネラ症; 血清群1;


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
日本消化器内視鏡学会雑誌 = Gastroenterological endoscopy,52(7):1677-1683 2010(Jul. 20)
Author: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;
Keywords:頸椎前縦靱帯骨化症; 嚥下障害; 中下咽頭; 壁外圧排; 高齢者;


「皮膚科学」「消化器内科」
信州医学雑誌,55(1) 2007
Author:古賀 弘志; 岩谷 勇吾;