Computed tomographic and angiographic evaluation of hemangioblastomas.

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Abstract
The computed tomographic (CT) and angiographic findings in 14 patients with proved cerebellar hemangioblastomas were reviewed. Although the CT scan was abnormal in all patients who had hemangioblastomas which produced symptoms, angiography was far more sensitive than CT in detecting hemangioblastoma nodules and was usually more specific in characterizing the lesions. Angiography is recommended in any patients with CT demonstration of a cerebellar cyst, whether or not a mural nodule is apparent, and in patients with von Hippel-Lindau disease who have an abnormal cranial CT scan.