Results 221 to 230 of about 409,202 (389)

Gastric Foveolar‐Type Hyperplastic Polyp of the Duodenum With GNAS and KRAS Mutations: A Potential Precursor to Neoplasia

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
ABSTRACT We report a gastric foveolar‐type hyperplastic polyp of the duodenum harboring mutations in the GNAS and KRAS genes. The lesion was incidentally detected during a routine upper gastrointestinal endoscopy in a man in his 50s. It appeared as a 10‐mm elevated lesion located at the superior duodenal angle.
Kenji Yamazaki   +8 more
wiley   +1 more source

Efficacy and Safety of Gel Immersion Endoscopic Mucosal Resection for Gastric Neoplasms in Patients With Familial Adenomatous Polyposis: A Multicenter Retrospective Study

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
ABSTRACT Objectives Approximately 10%–30% patients with familial adenomatous polyposis (FAP) develop gastric neoplasms (GNs). Although recent reports have suggested the effectiveness of gel‐immersion endoscopic mucosal resection (GI‐EMR) for FAP‐associated GNs, given its simplicity and safety, treatment outcomes for such lesions have not been evaluated.
Hidenori Kimura   +11 more
wiley   +1 more source

Emergence of amoxicillin resistance in refractory <i>Helicobacter pylori</i> infection. [PDF]

open access: yesTherap Adv Gastroenterol
Lin CY   +11 more
europepmc   +1 more source

Fifth Chinese National Consensus Report on the management of Helicobacter pylori infection

open access: yesHelicobacter, 2017
Wen Zhong Liu   +9 more
semanticscholar   +1 more source

Trends in Endoscopist Reporting Rates of Eosinophilic Gastrointestinal Diseases in Japan Evaluated by the Japan Endoscopy Database Project

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
We analyzed 9,940,870 endoscopic procedures from the Japanese Endoscopy Database (2015–2023), identifying 9,669 eosinophilic gastrointestinal disease (EGID) cases. The prevalence of eosinophilic esophagitis, gastritis, and duodenitis increased significantly (p < 0.001), while enteritis and colitis remained unchanged (p = 0.136). EoE rose from 36 cases (
Kazuya Miyaguchi   +4 more
wiley   +1 more source

Severe Gastroduodenitis Associated With Ulcerative Colitis After Total Colectomy Successfully Treated With Endoscopic Hemostasis and Oral Tacrolimus

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
ABSTRACT Herein, we report a rare case of gastroduodenitis associated with ulcerative colitis (UC). A 42‐year‐old man was diagnosed with UC 1 year prior to admission to our hospital. The patient underwent a 3‐stage total colectomy and ileal pouch‐anal anastomosis for severe UC.
Koji Fujimoto   +6 more
wiley   +1 more source

In-vivo evaluation of apocynin for prevention of Helicobacter pylori-induced gastric carcinogenesis [PDF]

open access: yes, 2017
Akagi   +41 more
core   +2 more sources

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