Atsushi Nakayama

Tokyo, Japan

Last Updated: 09/26/2026

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Found 74 publications

Clinical outcomes and risk factors for local residual/recurrent tumors after endoscopic submucosal dissection including major papilla for laterally spreading ampullary tumors.

Clinical outcomes and risk factors for local residual/recurrent tumors after endoscopic submucosal dissection including major papilla for laterally spreading ampullary tumors.

Journal: Endoscopy

Published: August 26, 2026

Clinical Outcomes of Underwater Endoscopic Submucosal Dissection for Duodenal Tumors: A Systematic Review and Meta-Analysis.

Clinical Outcomes of Underwater Endoscopic Submucosal Dissection for Duodenal Tumors: A Systematic Review and Meta-Analysis.

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

Published: July 13, 2026

Mucin phenotype stratifies histological malignancy in superficial non-ampullary duodenal epithelial tumors: a prospective study.

Mucin phenotype stratifies histological malignancy in superficial non-ampullary duodenal epithelial tumors: a prospective study.

Journal: Journal of gastroenterology

Published: June 23, 2026

Prospective Validation of Magnified Endoscopic Examination with Image-Enhanced Endoscopy as an Optical Biopsy for Differentiating Superficial Duodenal Epithelial Tumor and Non-Neoplastic Lesion in Duodenum.

Prospective Validation of Magnified Endoscopic Examination with Image-Enhanced Endoscopy as an Optical Biopsy for Differentiating Superficial Duodenal Epithelial Tumor and Non-Neoplastic Lesion in Duodenum.

Journal: Digestion

Published: January 31, 2026

Incidence and risk factor of stricture after endoscopic submucosal dissection in the duodenal bulb.

Incidence and risk factor of stricture after endoscopic submucosal dissection in the duodenal bulb.

Journal: Gastrointestinal endoscopy

Published: January 16, 2026

Real-World Evaluation of Remimazolam for Sedation During Gastrointestinal Endoscopy: Efficacy, Safety, and Risk Factors.

Real-World Evaluation of Remimazolam for Sedation During Gastrointestinal Endoscopy: Efficacy, Safety, and Risk Factors.

Journal: JGH open : an open access journal of gastroenterology and hepatology

Published: October 17, 2025

A Novel Therapeutic Thin Endoscope Facilitates Gastric Endoscopic Submucosal Dissection in the Cardia and Pylorus: A Case Series Study (With Video).

A Novel Therapeutic Thin Endoscope Facilitates Gastric Endoscopic Submucosal Dissection in the Cardia and Pylorus: A Case Series Study (With Video).

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

Published: May 12, 2025

Predictors of local recurrence and piecemeal resection in duodenal underwater endoscopic mucosal resection.

Predictors of local recurrence and piecemeal resection in duodenal underwater endoscopic mucosal resection.

Journal: iGIE : innovation, investigation and insights

Published: May 06, 2025

Endoscopic Submucosal Dissection Versus Laparoscopic and Endoscopic Cooperative Surgery for Superficial Duodenal Epithelial Tumors: A Multicenter Retrospective Study.

Endoscopic Submucosal Dissection Versus Laparoscopic and Endoscopic Cooperative Surgery for Superficial Duodenal Epithelial Tumors: A Multicenter Retrospective Study.

Journal: Annals of gastroenterological surgery

Published: April 03, 2025

Feasibility of modified double-layered suturing for a large mucosal defect after duodenal endoscopic submucosal dissection (origami method).

Feasibility of modified double-layered suturing for a large mucosal defect after duodenal endoscopic submucosal dissection (origami method).

Journal: Endoscopy

Published: November 07, 2024

Significance of Endoscopic Redness of Duodenum in Health Checkup.

Significance of Endoscopic Redness of Duodenum in Health Checkup.

Journal: JGH open : an open access journal of gastroenterology and hepatology

Published: September 22, 2024

Feasibility of endoscopic submucosal dissection including papilla (with video).

Feasibility of endoscopic submucosal dissection including papilla (with video).

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

Published: May 19, 2024

Showing 1-12 of 74

Last Updated: 09/26/2026