title: Carcinoma ex papillary cystadenoma lymphomatosum. Malignant Warthin's tumor.
abstract: Epithelial malignancy in a Warthin's tumor exists in three forms. The most common is a coexistent, separate neoplasm. Metastasis to the lymphoid component of Warthin's tumor follows, and the least common is a primary carcinoma arising from the ductal component of the tumor.
mesh_terms: D000235:Adenolymphoma / Q000175:diagnosis / Q000473:pathology*; D006801:Humans; D008207:Lymphatic Metastasis; D012468:Salivary Gland Neoplasms / Q000175:diagnosis / Q000473:pathology*; D009626:Terminology as Topic