title: Colonic adenomatous polyp with focal squamous metaplasia.
abstract: A case of adenomatous polyp of the colon with focal squamous metaplasia is reported. Squamous metaplasia has been described in both neoplastic and non-neoplastic conditions of the colon. However, it has not previously been documented to occur in adenomatous polyp. The histogenesis, possible predisposing factors, and clinical significance of the lesion are discussed.
mesh_terms: D000236:Adenoma / Q000473:pathology* / Q000601:surgery; D000368:Aged; D005260:Female; D006801:Humans; D007417:Intestinal Polyps / Q000473:pathology* / Q000601:surgery; D008228:Lymphoma, Non-Hodgkin / Q000473:pathology*; D008679:Metaplasia / Q000473:pathology; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D012004:Rectal Neoplasms / Q000473:pathology* / Q000601:surgery