Giant solitary trichoepithelioma.
D002280:Basal Cell Carcinoma / Q000175:diagnosis; D003937:Diagnosis, Differential; D004847:Epithelial Cells; D006197:Hair; D006801:Humans; D008297:Male; D008875:Middle Aged; D012878:Skin Neoplasms / Q000175:diagnosis / Q000473:pathology*