Hirobumi Toyoizumi
Tokyo, Japan
Last Updated: 09/26/2026
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Found 18 publications
Colorectal Neuroendocrine Neoplasm Detection Rate During Colonoscopy: Results From Large-Scale Data of Colonoscopies in Japan.
Journal: The American journal of gastroenterology
Published: July 02, 2024
Risk of colorectal cancer among fecal immunochemical test-positive individuals by timing of previous colonoscopy: A multicenter analysis.
Journal: Journal of gastroenterology and hepatology
Published: April 17, 2024
Endoscopist-related factors affecting adenoma detection during colonoscopy: Data from the J-SCOUT study.
Journal: Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society
Published: June 20, 2023
The Advantage of Immunohistochemical Staining for Evaluating Lymphovascular Invasion Is Limited for Patients with Esophageal Squamous Cell Carcinoma Invading the Muscularis Mucosa.
Journal: Journal of clinical medicine
Published: October 20, 2022
Analysis of the variation in learning curves for achieving competency in convex EUS training: a prospective cohort study using a standardized assessment tool.
Journal: Gastrointestinal endoscopy
Published: July 28, 2022
Diagnostic Dilemma of Biliopancreatic Contrast-Enhanced Harmonic Endoscopic Ultrasonography.
Journal: Diagnostics (Basel, Switzerland)
Published: July 06, 2022
Endoscopic ultrasound-guided fine-needle biopsy histology with a 22-gauge Franseen needle and fine-needle aspiration liquid-based cytology with a conventional 25-gauge needle provide comparable diagnostic accuracy in solid pancreatic lesions.
Journal: JGH open : an open access journal of gastroenterology and hepatology
Published: July 17, 2021
The milestone for preventing post-ERCP pancreatitis using novel simplified predictive scoring system: a propensity score analysis.
Journal: Surgical endoscopy
Published: August 07, 2020
Best period to replace or change plastic stents with self-expandable metallic stents using multivariate competing risk regression analysis.
Journal: Scientific reports
Published: December 27, 2019
Dual-focus versus conventional magnification endoscopy for the diagnosis of superficial squamous neoplasms in the pharynx and esophagus: a randomized trial.
Journal: Endoscopy
Published: February 16, 2016
Narrow-Band Imaging Magnifying Endoscopy versus Lugol Chromoendoscopy with Pink-Color Sign Assessment in the Diagnosis of Superficial Esophageal Squamous Neoplasms: A Randomised Noninferiority Trial.
Journal: Gastroenterology research and practice
Published: January 30, 2015
A feasibility study of chemically assisted endoscopic submucosal mechanical dissection using mesna for superficial esophageal squamous cell carcinomas.
Journal: Surgical endoscopy
Published: October 04, 2014
Last Updated: 09/26/2026