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Nihon Geka Gakkai Zasshi. 1998 Oct;99(10):687-95.

[Genetic alterations in gallbladder carcinoma: a review].

[Article in Japanese]

Author information

  • 1Department of Pathology, Niigata University School of Medicine, Japan.

Abstract

Earlier evidence suggests that gallbladder carcinoma (GBC) has three carcinogenic pathways; de novo development; adenoma-carcinoma sequence; and hyperplasia-carcinoma sequence associated with an anomalous arrangement of the pancreaticobiliary duct (AAPBD). We review gene abnormalities in GBC reported to date. p53 mutation and its protein overexpression are frequently observed in de novo carcinoma and GBC with AAPBD, but never found in carcinoma with adenoma. The incidence of K-ras codon 12 mutation in GBCs with AAPBD is significantly higher than that in the other types. Mutation of K-ras is never detected in carcinoma with adenoma. These findings suggest that diverse genetic pathways may exist in gallbladder carcinogenesis and reflect morphologic variations.

PMID:
9866832
[PubMed - indexed for MEDLINE]
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