title: Trichofolliculoma showing perineural invasion. Trichofolliculocarcinoma?
mesh_terms: D005145:Face / Q000294:innervation; D005153:Facial Neoplasms / Q000473:pathology*; D006197:Hair / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010525:Peripheral Nerves / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology*