Intradural, purely extramedullary hemangioblastoma of the spinal cord--case report.

An unusual, purely extramedullary hemangioblastoma of the spinal cord occurred in a 59-year-old female. Myelography revealed a filling defect at the Th6 level, and computed tomographic myelography demonstrated an extramedullary intradural isodense mass at the same level. The mass was homogeneously enhanced on postcontrast computed tomographic scans. T1-weighted magnetic resonance imaging showed an isointense mass, homogeneously enhanced by contrast medium. The tumor was removed en bloc.