title: Malignant squamous papillomatosis of the mastoid.
abstract: Benign squamous papilloma of the external ear is rarely reported in the literature. This paper describes the occurrence of an extensive benign squamous papillomatosis of the mastoid that showed an apparent malignant transformation with fatal results to the patient.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008416:Mastoid / Q000473:pathology*; D010212:Papilloma / Q000473:pathology* / Q000628:therapy; D012888:Skull Neoplasms / Q000473:pathology* / Q000628:therapy