title: Brain metastasis of an invasive thymoma.
abstract: A rare case of a thymoma metastatic to brain is reported. This tumor was localized intraoperatively with the use of transdural ultrasound imaging, and gross total resection was accomplished. Radiation therapy was administered to both brain and mediastinum. The growth characteristics, classification, and treatment of thymomas are discussed.
mesh_terms: D001932:Brain Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology / Q000556:secondary* / Q000601:surgery; D006801:Humans; D007432:Intraoperative Period; D008297:Male; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D013902:Radiography, Thoracic; D013945:Thymoma / Q000000981:diagnostic imaging / Q000473:pathology / Q000556:secondary* / Q000601:surgery; D013953:Thymus Neoplasms; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography