Abstract
Brainstem cavernous angioma is a rare disease. Since MRI has become a popular diagnostic modality, this disease is now being detected more frequently than before. Although headache and convulsion are common symptoms of cavernous angioma, dizziness is a rare initial symptom. We therefore herein report a case of brainstem cavernous angioma in which the initial symptom was dizziness. A 53-year male com- plained of dizzness. His symptoms were determined to consist of only unidirectional gaze nystagmus. At six days after the onset of such dizziness, both paralysis of the ocular muscles and papillary abnormalities developed. Hemorrhaging due to a brainstem cavernous angioma was thereafter detected by MRI. The cerebral brainstem cavernous angioma had initially induced a small cerebral hemorrhage, which thus resulted in dizziness as an initial symptom.
