We report a case of dural arteriovenous fistula of the anterior cranial fossa with venous ischemia. A 55-year-old man presented with headache and visual disturbance. Neurological examination showed no abnormality. MR images demonstrated flow void at the right anterior cranial fossa. Right internal carotid angiograms showed a dural arteriovenous fistula of the anterior cranial fossa, fed by the anterior ethmoidal artery. The draining vein was the leptomeningeal vein draining into the basal vein, the straight sinus, and the left transverse sinus. 123I-IMP SPECT revealed a low perfusion area in the left occipital region. We interrupted the draining vein at the anterior cranial fossa. Angiographic cure was obtained and venous circulation was improved. 123I-IMP SPECT revealed improvement in the low perfusion area in the left occipital region. The postoperative course was uneventful. We discuss the clinical features, the hemodynamic findings and the management of this case.
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