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Article

GNAS-mutated carcinoma arising from gastric foveolar metaplasia in the duodenum after 9 years of observation.

Clinical journal of gastroenterology - 1 Oct 2018

Matsuo Yasumasa, Yamamoto Hiroyuki, Sato Yoshinori, Oikawa Ritsuko, Maehata Tadateru, Fujino Takashi, Yahagi Naohisa, Yasuda Hiroshi, Takagi Masayuki, Itoh Fumio

Abstract excerpt

This case involved an 80-year-old man. Screening with esophagogastroduodenoscopy (EGD) in 2004 revealed Brunner's gland hyperplasia (BGH), 5 mm in size, in the duodenal bulb. The size of the lesion increased and its shape has changed since then, as detected in subsequent EGDs. The lesion had increased in size to 15 mm with a depression and biopsy specimens revealed an adenocarcinoma. The patient underwent...

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Source

Identifiers

PMID: 29605945
DOI: 10.1007/s12328-018-0856-2

Genes

GNAS

Variants

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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