title: Facial nerve paralysis caused by carcinoma developed in thorotrastoma in the parotid gland.
abstract: A carcinoma developed in a thorotrastoma of the right parotid gland and caused facial paralysis 28 years after a sialography with radioactive thorotrast. The literature is reviewed, and another case is reported in which facial nerve paralysis occurred without evidence of malignancy.
mesh_terms: D005158:Facial Paralysis / Q000209:etiology*; D005260:Female; D006801:Humans; D008875:Middle Aged; D010306:Parotid Gland / Q000473:pathology; D010307:Parotid Neoplasms / Q000150:complications* / Q000209:etiology / Q000473:pathology; D012796:Sialography / Q000009:adverse effects; D013911:Thorium Dioxide / Q000009:adverse effects*; D013997:Time Factors
chemical_list: D013911:Thorium Dioxide