title: A case of metastasizing benign pleomorphic adenoma of the parotid.
abstract: A 69-year-old man who had a 50-year history of recurrent benign pleomorphic adenomas of the parotid presented with a further recurrence and a skull nodule. Biopsy of the skull nodule was consistent with a metastasis of a benign pleomorphic adenoma.
mesh_terms: D008949:Adenoma, Pleomorphic / Q000473:pathology / Q000556:secondary* / Q000601:surgery; D000368:Aged; D006801:Humans; D008297:Male; D009364:Neoplasm Recurrence, Local / Q000601:surgery; D010307:Parotid Neoplasms / Q000601:surgery*; D012888:Skull Neoplasms / Q000473:pathology / Q000556:secondary* / Q000601:surgery