title: Coexisting juvenile polyps and tubulovillous adenoma of colon with carcinoma in situ: report of a case.
abstract: The coexistence of juvenile and adenomatous polyps is confirmed by the present case of a 17-year-old girl who had two juvenile polyps and a tubulovillous adenoma of the colon with carcinoma in situ, a clinically benign lesion. The relation between the juvenile and adenomatous processes and the risk of the development of colonic carcinoma in such cases remain ill defined.
mesh_terms: D000236:Adenoma / Q000235:genetics / Q000473:pathology*; D000293:Adolescent; D002278:Carcinoma in Situ / Q000235:genetics / Q000473:pathology*; D003110:Colonic Neoplasms / Q000235:genetics / Q000473:pathology*; D003111:Colonic Polyps / Q000235:genetics / Q000473:pathology*; D005260:Female; D006801:Humans; D009378:Neoplasms, Multiple Primary / Q000235:genetics / Q000473:pathology*