Junji Umeno - Publications

Gastric Polypoid Nodular Scarring Underlying Autoimmune Gastritis.

Journal: Internal medicine (Tokyo, Japan)

Published: June 10, 2026

Endoscopic Visualization of a Jejuno-Colonic Fistula in a Case of Monomorphic Epitheliotropic Intestinal T-Cell Lymphoma.

Journal: DEN open

Published: March 25, 2026

Gastric-Type Adenomas of the Nonampullary Duodenum: Reappraisal of Clinicopathological and Molecular Features and a Proposal for Novel Classification.

Journal: The American journal of surgical pathology

Published: March 19, 2026

Advanced colorectal cancer in a 19-year-old male patient with Lynch syndrome:a case report

Journal: Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology

Published: March 11, 2026

Young-onset rectal adenocarcinoma in Li-Fraumeni syndrome: Diagnostic contribution of NBI and pit pattern analysis.

Journal: Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver

Published: March 10, 2026

Retention of a Patency Capsule Shell in a Nonsteroidal Anti-Inflammatory Drug-Induced Small-Bowel Stricture, Detected and Retrieved by Balloon-Assisted Enteroscopy: Emphasizing the Importance of Confirming Capsule Excretion.

Journal: Journal of digestive diseases

Published: February 05, 2026

Steroid-responsive protein-losing enteropathy in systemic lupus erythematosus with low-disease activity.

Journal: Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver

Published: November 26, 2025

Improved Efficiency and Lesion Detection in Small Bowel Capsule Endoscopy Using the Open-Source Artificial Intelligence Model SEE-AI.

Journal: DEN open

Published: November 25, 2025

High-grade Dysplasia with Pseudocarcinomatous Invasion Mimicking Invasive Carcinoma in a Patient with Ulcerative Colitis.

Journal: Journal of gastrointestinal and liver diseases : JGLD

Published: November 22, 2025

Neovaginal Diversion Colitis Successfully Treated With Mesalazine Suppositories: Endoscopic Documentation of Healing.

Journal: Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society

Published: August 26, 2025

A case of colorectal malakoplakia in a patient with cytomegalovirus-associated refractory ulcerative colitis.

Journal: Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver

Published: August 03, 2025

Risk of extraintestinal cancer in patients with inflammatory bowel disease: a multicenter retrospective cohort study in Japan.

Journal: Journal of gastroenterology

Published: June 23, 2025