Masafumi Oya

Iizuka, Japan

Last Updated: 09/26/2026

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Found 25 publications

Elevated polyglutamylation and tau phosphorylation levels are associated with cognitive impairment at diagnosis in patients with primary central nervous system lymphoma.

Elevated polyglutamylation and tau phosphorylation levels are associated with cognitive impairment at diagnosis in patients with primary central nervous system lymphoma.

Journal: Alzheimer's research & therapy

Published: June 26, 2025

Efficacy and histologic frequencies of endoscopic ultrasonography-guided tissue acquisition using conventional fine-needle aspiration needles for gastric subepithelial hypoechoic mass.

Efficacy and histologic frequencies of endoscopic ultrasonography-guided tissue acquisition using conventional fine-needle aspiration needles for gastric subepithelial hypoechoic mass.

Journal: Australasian journal of ultrasound in medicine

Published: May 24, 2024

Short-term outcome of endoscopic submucosal dissection using a clutch cutter for subepithelial lesions within the esophagogastric submucosa: a Japanese prospective observational study.

Short-term outcome of endoscopic submucosal dissection using a clutch cutter for subepithelial lesions within the esophagogastric submucosa: a Japanese prospective observational study.

Journal: Clinical endoscopy

Published: April 21, 2024

A case of erythema multiforme-like rash induced by everolimus in a patient with a pancreatic neuroendocrine tumor.

A case of erythema multiforme-like rash induced by everolimus in a patient with a pancreatic neuroendocrine tumor.

Journal: Clinical journal of gastroenterology

Published: April 14, 2022

Three cases of synovial sarcoma of gastric wall: A case report and review of the literature.

Three cases of synovial sarcoma of gastric wall: A case report and review of the literature.

Journal: Pathology, research and practice

Published: November 29, 2020

Endoscopic submucosal dissection with a grasping-type scissors for early colorectal epithelial neoplasms: a large single-center experience.

Endoscopic submucosal dissection with a grasping-type scissors for early colorectal epithelial neoplasms: a large single-center experience.

Journal: VideoGIE : an official video journal of the American Society for Gastrointestinal Endoscopy

Published: November 12, 2019

First case of pyrin-associated autoinflammation with neutrophilic dermatosis complicated by amyloidosis.

First case of pyrin-associated autoinflammation with neutrophilic dermatosis complicated by amyloidosis.

Journal: Rheumatology (Oxford, England)

Published: August 16, 2019

Pneumocystis jirovecii Pneumonia in an Immunocompetent Japanese Man: A Case Report and Literature Review.

Pneumocystis jirovecii Pneumonia in an Immunocompetent Japanese Man: A Case Report and Literature Review.

Journal: Case reports in pulmonology

Published: January 04, 2019

Current clinical management of gastrointestinal stromal tumor.

Current clinical management of gastrointestinal stromal tumor.

Journal: World journal of gastroenterology

Published: March 28, 2018

Leiomyosarcoma of the stomach treated by endoscopic submucosal dissection.

Leiomyosarcoma of the stomach treated by endoscopic submucosal dissection.

Journal: Clinical journal of gastroenterology

Published: December 03, 2017

Insulin-like growth factor II messenger RNA-binding protein-3 is an independent prognostic factor in uterine leiomyosarcoma.

Insulin-like growth factor II messenger RNA-binding protein-3 is an independent prognostic factor in uterine leiomyosarcoma.

Journal: Histopathology

Published: August 25, 2017

Clinical outcomes of Clutch Cutter endoscopic submucosal dissection for older patients with early gastric cancer.

Clinical outcomes of Clutch Cutter endoscopic submucosal dissection for older patients with early gastric cancer.

Journal: World journal of gastrointestinal oncology

Published: June 07, 2017

Showing 1-12 of 25

Last Updated: 09/26/2026