Abstract
A rare case of spontaneous cerebellar hemorrhage from hemangioblastoma is reported. A 47-year-old man with untreated hypertension complained of sudden onset of vertigo and vomiting. An initial CT scan showed no abnormal findings, and the patient was treated conservatively. A repeat CT scan taken 11 days after onset revealed a hemorrhage in the left cerebellar hemisphere. On the 15th day, the hematoma was enlarged and the patient became stuporous due to an upward transtentorial herniation. A suboccipital craniectomy was immediately performed. At operation, a dark reddish mass measuring 5 mm × 5 mm × 10 mm was noted in the wall of the hematoma cavity and was resected. Histological examinations demonstrated a hemangioblastoma with endothelial proliferation, foamy cells and various sizes of capillaries. We stress the importance of histological examinations in cases of atypical hemorrhagic intracerebellar lesions even in patients with hypertension.
