[Atypical fibroxanthoma].
D000368:Aged; D003937:Diagnosis, Differential; D005350:Fibroma / Q000175:diagnosis / Q000473:pathology*; D006801:Humans; D008297:Male; D009333:Neck; D012878:Skin Neoplasms / Q000175:diagnosis / Q000473:pathology*
Fibroxantoma atipico.