title: [A case of unusual hair follicle tumor--advocacy of hair matrix epitheliomas].
mesh_terms: D002277:Carcinoma / Q000473:pathology* / Q000648:ultrastructure; D006197:Hair / Q000473:pathology*; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D012878:Skin Neoplasms / Q000473:pathology* / Q000648:ultrastructure