Publications by authors named "Issei Hirata"

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Efficacy of Image-Enhanced Endoscopy Using a Novel Double-Balloon Enteroscope for Visibility of Small-Bowel Lesions.
Shuya Shigenobu, Akiyoshi Tsuboi, Shuhei Sugata, Yuka Matsubara, Issei Hirata

Digestion· December 2025

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5-Aminosalicylic Acid-Induced Colitis in a Patient with Rheumatoid Arthritis Without Inflammatory Bowel Disease: A Case Report.
Ryosuke Izumi, Issei Hirata, Yuta Hattori, Yuki Shirane, Hirosato Tamari

Intern Med· December 2025

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Clinical Significance of Small-Bowel Mucosal Changes in Liver Cirrhosis Patients With Suspected Small-Bowel Bleeding: A Capsule Endoscopy Study.
Yuka Matsubara, Akiyoshi Tsuboi, Shuya Shigenobu, Issei Hirata, Takeshi Takasago

J Gastroenterol Hepatol· July 2025

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[Methotrexate-related lymphoproliferative disease of the ileum with fistular formation between the small bowel and rectum:a case report].
Shuya Shigenobu, Akiyoshi Tsuboi, Yuka Matsubara, Issei Hirata, Ken Yamashita

Nihon Shokakibyo Gakkai Zasshi· June 2025

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Clinical usefulness and acceptability of small-bowel capsule endoscopy with panoramic imaging compared with axial imaging in Japanese patients.
Issei Hirata, Akiyoshi Tsuboi, Yuka Matsubara, Akihiko Sumioka, Takeshi Takasago

DEN Open· April 2025

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Predictive factors of portal hypertensive enteropathy exacerbations based on long-term outcomes.
Yuka Matsubara, Akiyoshi Tsuboi, Issei Hirata, Akihiko Sumioka, Takeshi Takasago

BMC Gastroenterol· August 2024

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Severe Refractory Diarrhea Associated with COVID-19: A Case Report.
Akiyoshi Tsuboi, Shuya Shigenobu, Yuka Matsubara, Issei Hirata, Hidenori Tanaka

Case Rep Gastroenterol· June 2024

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Can underwater endoscopic mucosal resection be an alternative to conventional endoscopic mucosal resection for superficial non-ampullary duodenal epithelial tumors?
Hidenori Tanaka, Yuji Urabe, Hiroki Takemoto, Kazuki Ishibashi, Hirona Konishi, Issei Hirata

DEN Open· April 2024

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Gel immersion EMR of small-bowel inflammatory fibroid polyp using double-balloon endoscopy.
Yuka Matsubara, Akiyoshi Tsuboi, Issei Hirata, Akihiko Sumioka, Hidenori Tanaka

VideoGIE· February 2024

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Long-term outcomes of patients with obscure gastrointestinal bleeding after negative capsule endoscopy.
Issei Hirata, Akiyoshi Tsuboi, Yuka Matsubara, Akihiko Sumioka, Takeshi Takasago

J Gastroenterol Hepatol· January 2024

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Disease surveillance evaluation of primary small-bowel follicular lymphoma using capsule endoscopy images based on a deep convolutional neural network (with video).
Akihiko Sumioka, Akiyoshi Tsuboi, Shiro Oka, Yusuke Kato, Yuka Matsubara, Issei Hirata

Gastrointest Endosc· December 2023

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Usefulness of Acetic Acid Spray with Narrow-Band Imaging for Identifying the Margin of Sessile Serrated Lesions.
Yoshiyasu Kono, Reiji Higashi, Hidetaka Mizushima, Daisuke Shimizu, Tetsuya Katayama, Issei Hirata, Tetsu Hirata

Dig Dis Sci· June 2023

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Diagnostic yield of proximal jejunal lesions with third-generation capsule endoscopy.
Issei Hirata, Akiyoshi Tsuboi, Shiro Oka, Akihiko Sumioka, Sumio Iio

DEN Open· April 2023

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Predictive factors for the progression of primary localized stage small-bowel follicular lymphoma.
Akihiko Sumioka, Shiro Oka, Issei Hirata, Sumio Iio, Akiyoshi Tsuboi

J Gastroenterol· September 2022

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Endoscopic Delivery Method Using a Retrieval Net for Patients with Small-Bowel Capsule Endoscopy Stagnation in the Stomach.
Akihiko Sumioka, Shiro Oka, Akiyoshi Tsuboi, Issei Hirata, Sumio Iio

Gastroenterol Res Pract· December 2021

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A Rapidly Growing Gastric Submucosal Tumor.
Issei Hirata, Koji Miyahara, Masahiro Nakagawa

Intern Med· August 2021

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Current evidence and issues of endoscopic submucosal dissection for gastric neoplasms during antithrombotic therapy.
Yoshiyasu Kono, Issei Hirata, Tetsuya Katayama, Hisahiro Uemura, Tetsu Hirata

Clin J Gastroenterol· October 2020

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[Gastric type adenoma with submucosal invasive carcinoma:a case study].
Issei Hirata, Hideaki Kinugasa, Kouji Miyahara, Reiji Higashi, Masaki Kunihiro

Nihon Shokakibyo Gakkai Zasshi· June 2019

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