| A Case of Intraosseous Dural Arteriovenous Fistulas Involving Diploic Vein Treated with Transarterial Onyx Embolization. |
| Jae Hyun Shim, Seok Mann Yoon, Jai Joon Shim, Ra Sun Kim |
1Department of Neurosurgery, Soonchunhyang University Cheonan Hospital, Cheonan, Korea. smyoon@sch.ac.kr
2Department of Neurosurgery, Soonchunhyang University Gumi Hospital, Gumi, Korea. |
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| ABSTRACT |
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Intracranial dural arteriovenous fistulas (DAVFs) are abnormal arteriovenous connections that lie within the dura.
Intraosseous DAVFs involving diploic venous system are extremely rare. A 46-year-old woman presented with headache and right pulsatile tinnitus for three weeks. The tinnitus started after yelling. Digital subtraction angiography revealed DAVF within the basal portion of right parietal bone along the middle meningeal artery (MMA) groove. The fistula was fed by frontal branch of right MMA and drained into right transverse sigmoid sinus junction through dilated middle meningeal vein. The intraosseous DAVF involving diploic vein was successfully obliterated with Onyx embolization via transarterial route. |
| Key Words:
Dural arteriovenous fistulas; Tinnitus; Onyx; Diploic vein; Transarterial embolization |
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