title: Thorotrast-induced meningioma. Case report.
abstract: The authors report an adult patient with a symptomatic intracranial meningioma that was demonstrated by computerized tomography, angiography, and at surgery. The meningioma had occurred at a site where 19 years previously thorium dioxide had been injected into an abscess cavity. Pathological examination revealed the presence of thorium granules within the meningioma.
mesh_terms: D001922:Brain Abscess / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D008577:Meningeal Neoplasms / Q000000981:diagnostic imaging / Q000209:etiology*; D008579:Meningioma / Q000000981:diagnostic imaging / Q000209:etiology*; D008875:Middle Aged; D011859:Radiography; D013911:Thorium Dioxide / Q000009:adverse effects*
chemical_list: D013911:Thorium Dioxide