| Anterior Cranial Fossa Dural Arteriovenous Fistulae Presenting as Subdural Hematoma. |
| Hyuk Jin Choi, Chang Won Cho |
| Department of Neurosurgery, Maryknoll Medical Center, Busan Catholic Health System, Busan, Korea. braincwc@hotmail.com |
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| ABSTRACT |
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Anterior cranial fossa dural arteriovenous fistulae (DAVFs) are very rare and the bleeding rate is very high, especially in the presence of leptomeningeal draining vein and aneurysmal varix formation. A 85-year-old male patient presented with subdural hematoma (SDH). Magnetic resonance image (MRI) and transfemoral carotid angiography (TFCA) disclosed DAVF at the anterior cranial fossa with bilateral arterial feeders and leptomeningeal draining vein with varix formation. The lesion was treated by simple ligation of pial connecting vein using low frontal craniotomy. In comparison with DAVFs of the other sites, the anterior cranial fossa DAVF is difficult to manage by endovascular treatment due to not only the difficulty of transvenous access but the risk of visual impairment when using transarterial route.
Surgical ligation of pial connecting vein is feasible and effective treatment. |
| Key Words:
Anterior cranial fossa; Dural arteriovenous fistulae; Leptomeningeal draining vein; Craniotomy |
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