title: Microcystic adnexal carcinoma.
abstract: A patient is described with a tumour of the upper lip which was proved histologically to be a microcystic adnexal carcinoma, probably derived from the outer hair root sheath. This appears to be the eighth in the literature.
mesh_terms: D000328:Adult; D002277:Carcinoma / Q000473:pathology*; D005260:Female; D006801:Humans; D008048:Lip Neoplasms / Q000473:pathology*