title: An unusual tubular apocrine adenoma.
mesh_terms: D000236:Adenoma / Q000473:pathology*; D000368:Aged; D005260:Female; D006651:Histocytochemistry; D006801:Humans; D008854:Microscopy, Electron; D012535:Scalp; D013194:Staining and Labeling; D013544:Sweat Gland Neoplasms / Q000473:pathology*