title: An unusual hair follicle tumor-an intimate relative of trichogenic adnexal tumor (Headington and French).
mesh_terms: D000236:Adenoma / Q000473:pathology; D000328:Adult; D003937:Diagnosis, Differential; D006197:Hair / Q000473:pathology*; D006651:Histocytochemistry; D006801:Humans; D008297:Male; D012871:Skin Diseases / Q000473:pathology; D012878:Skin Neoplasms / Q000175:diagnosis / Q000473:pathology*