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Article

Colorectal small cell carcinoma in ulcerative colitis with identical rare p53 gene mutation to associated adenocarcinoma and dysplasia.

Journal of Crohn's & colitis - 1 Feb 2012

Hayashi Hiroyuki, Miyagi Yohei, Sekiyama Akiko, Yoshida Sachiko, Nakao Sayumi, Okamoto Noriko, Koganei Kazutaka, Sugita Akira

Abstract excerpt

Colorectal small cell carcinomas (SCCs) are rare tumors and are infrequently associated with ulcerative colitis (UC). We report a case of primary rectal SCC combined with adenocarcinoma arising in left-sided UC. Immunohistochemically, tumor cells were positive for chromogranin A, synaptophysin, and CD56 in the SCC but not in the adenocarcinoma. The patient simultaneously developed multiple lesions of...

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Source

Identifiers

PMID: 22261536
DOI: 10.1016/j.crohns.2011.08.009

Genes

KRAS

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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