title: Primary melanoma of the anorectal region. Report of two cases.
abstract: Two cases of primary melanoma of the anorectal region are presented. The radiological patterns affords no basis for differentiation from hemorrhoids and polyps. Only close teamwork between radiologist and pathologist permits correct and timely treatment.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008545:Melanoma / Q000000981:diagnostic imaging / Q000473:pathology*; D008875:Middle Aged; D011859:Radiography; D012004:Rectal Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*