Visceral carcinoma with shadow cell differentiation can mimic pilomatrix carcinoma.
D000008:Abdominal Neoplasms / Q000473:pathology*; D000230:Adenocarcinoma / Q000556:secondary*; D003937:Diagnosis, Differential; D006201:Hair Diseases / Q000473:pathology*; D006801:Humans; D018296:Pilomatrixoma / Q000473:pathology*; D012878:Skin Neoplasms / Q000556:secondary*; D014781:Viscera / Q000473:pathology