Giant irritated seborrheic keratosis mimicking verrucous carcinoma.
D000368:Aged; D001415:Back; D002291:Carcinoma, Papillary / Q000175:diagnosis*; D003951:Diagnostic Errors; D006801:Humans; D007642:Keratosis / Q000473:pathology*; D008297:Male; D012878:Skin Neoplasms / Q000175:diagnosis*