title: Superficial biopsy of a rectal and a duodenal polyp. Two incorrect microscopical diagnoses.
mesh_terms: D000231:Adenocarcinoma, Papillary / Q000175:diagnosis*; D001706:Biopsy; D002779:Cholestasis / Q000209:etiology; D003937:Diagnosis, Differential; D004379:Duodenal Neoplasms / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D011127:Polyps / Q000175:diagnosis*; D012004:Rectal Neoplasms / Q000175:diagnosis* / Q000473:pathology