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Norihiro Okamoto

Lower Rebleeding Rate after Endoscopic Band Ligation than Endoscopic Clipping of the Same Colonic Diverticular Hemorrhagic Lesion: A Historical Multicenter Trial in Saga, Japan
2018 · Norihiro Okamoto, Naoyuki Tominaga, et al. · Internal Medicine · 34
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Anti-integrin αvβ6 autoantibodies are a potential biomarker for ulcerative colitis-like immune checkpoint inhibitor-induced colitis
2024 · Masataka Yokode, Masahiro Shiokawa, et al. · British Journal of Cancer · 18
Dynamic pelvic three-dimensional computed tomography for investigation of pelvic abnormalities in patients with rectocele and rectal prolapse
2006 · Norihiro Okamoto, Koutarou Maeda, et al. · Journal of Gastroenterology · 17
Abdominal Cocoon in an Aged Man: Report of a Case
2007 · Norihiro Okamoto, Koutarou Maeda, et al. · Surgery Today · 12
Endoscopic submucosal dissection for early gastric cancer on the lesser curvature in upper third of the stomach is a risk factor for postoperative delayed gastric emptying
2018 · Tetsuya Yoshizaki, Daisuke Obata, et al. · Surgical Endoscopy · 11
Barrett’s adenocarcinoma with esophageal varices successfully treated by endoscopic submucosal dissection with direct varices coagulation
2019 · Chise Ueda, Tetsuya Yosizaki, et al. · Clinical Journal of Gastroenterology · 9
Risk Factors for Adverse Events in Patients with Chronic Constipation Following Lubiprostone Administration
2020 · Takaaki Eguchi, Tetsuya Yoshizaki, et al. · Digestive Diseases · 8
A Case of Food-induced Ileus Due to Seeds of Pickled Japanese Apricot Impacted in Stenotic Lesions of the Small Intestine
2005 · Norihiro OKAMOTO, Koutarou MAEDA, et al. · Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association) · 6
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Feasibility of the lidocaine injection method during esophageal endoscopic submucosal dissection
2019 · Tetsuya Yoshizaki, Daisuke Obata, et al. · JGH Open · 5
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Metachronous multiple carcinomas arising at a colostomy site 15 years after abdominoperineal resection: a case report and review of Japanese literature.
2009 · Norihiro Okamoto, Koutarou Maeda, et al. · PubMed · 5
Differences in Coronavirus disease - 19 vaccination related side effects in patients with ulcerative colitis and Crohn’s disease in Japan
2023 · Haruka Miyazaki, Daisuke Watanabe, et al. · Indian Journal of Gastroenterology · 4
Disseminated Mycobacterium avium Complex Infection in a Patient Treated With Immunosuppressants
2023 · Yuki Ito, Daisuke Watanabe, et al. · ACG Case Reports Journal · 4
Higher frequency of upper gastrointestinal symptoms in healthy young Japanese females compared to males and older generations
2017 · Kojiro Kawachi, Yasuhisa Sakata, et al. · Esophagus · 4
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Enterocele associated with rectocele revealed by dynamic pelvic CT
2005 · N. Okamoto, K. Maeda, et al. · Abdominal Imaging · 4
Metachronous multiple carcinomas arising at a colostomy site 18 years after abdominoperineal resection
2009 · Norihiro Okamoto · International Journal of Colorectal Disease · 3
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A Case of Retrocecal Hernia in an Aged Male Successfully Diagnosed by Ct
2008 · Takaaki SAITO, Norihiro OKAMOTO, et al. · Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association) · 3
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A Case of Metachronous Multiple Carcinoma at the Colostomy Site 20 Years after Surgery
2004 · Norihiro Okamoto, Morito Maruta, et al. · 日本消化器外科学会雑誌 · 3
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[Clinical outcome of intra-hepatic arterial infusion therapy for multiple liver metastases from colorectal cancer].
2003 · Norihiro Okamoto, Morito Maruta, et al. · PubMed · 2
A Case of Endometriosis in the Sigmoid Colon Treated by Laparoscopy-Assisted Surgery.
2003 · N. Okamoto, M. Maruta, et al. · Nihon Daicho Komonbyo Gakkai Zasshi · 2
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Percutaneous Transhepatic Duodenal Drainage for Failure of Duodenal Stump after Gastrectomy.
1999 · Dai Maeda, Masato Fujisaki, et al. · 日本消化器外科学会雑誌 · 2
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The Usefulness of Over‐the‐Scope Clips for Managing Gastrointestinal Complications of Endoscopic or Surgical Procedures: The SAGA ‐ OTSC Registry Study
2025 · Daisuke Yamaguchi, Takashi Akutagawa, et al. · JGH Open · 1
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Impact of Enterococcus faecium 129 BIO 3B-R on Helicobacter pylori eradication therapy side effects in adult patients: a randomized, double-blind, placebo-controlled study
2025 · Eri Tokunaga, Jun Inoue, et al. · Scientific Reports · 1
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Efficacy and safety of same‐day preparation with sodium picosulfate plus magnesium citrate on the day of colonoscopy for bowel preparation: Multicenter, single‐arm, open‐label study
2024 · Hitomi Hori, Nobuaki Ikezawa, et al. · Journal of Gastroenterology and Hepatology · 1
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Correlations of Anatomical Parameters in Dynamic Pelvic CT and Conventional Defecography for Patients with Rectal Prolapse
2008 · Norihiro Okamoto · The Keio Journal of Medicine · 1
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A Case of Basaloid Carcinoma of the Anal Canal
2004 · N. Okamoto, K. Maeda, et al. · Nihon Daicho Komonbyo Gakkai Zasshi · 1
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Works count: 42
Citation count: 162
H-index: 7
I10-index: 5
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