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J Korean Neurosurg Soc. 2011 Sep;50(3):248-251. English. Case Report.
Oh HJ , Yoon SM , Kim SH , Shim JJ .
Department of Neurosurgery, Soonchunhyang University Cheonan Hospital, Cheonan, Korea. smyoon@sch.ac.kr
Department of Neurosurgery, Soonchunhyang University Gumi Hospital, Gumi, Korea.
Abstract

Intracranial pial arteriovenous fistulas (AVFs) are rare vascular lesions of the brain. These lesions consist of one or more arterial connection to a single venous channel without true intervening nidus. A 24-year-old woman visited to our hospital because of headache, vomiting, dizziness and memory disturbance that persisted for three days. She complained several times of drop attack because of sudden weakness on both leg. Cerebral angiograms demonstrated a giant venous aneurysm on right frontal lobe beyond the genu of corpus callosum, multiple varices on both frontal lobes fed by azygos anterior cerebral artery, and markedly dilated draining vein into superior sagittal sinus, suggesting single channel pial AVF with multiple varices. Transarterial coil embolization of giant aneurysm and fistulous portion resulted in complete disappearance of pial AVF without complication.

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