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  • Title: [A Case of Cervical Spinal Dural Arteriovenous Fistula with Extradural Drainage Presenting with Subarachnoid Hemorrhage due to a Ruptured Anterior Spinal Artery Aneurysm].
    Author: Kurokawa Y, Ikawa F, Hamasaki O, Hidaka T, Yonezawa U, Komiyama M.
    Journal: No Shinkei Geka; 2015 Sep; 43(9):803-11. PubMed ID: 26321694.
    Abstract:
    We report a rare case of a cervical spinal dural arteriovenous fistula(AVF)at the C2 level presenting with subarachnoid hemorrhage(SAH)due to a ruptured anterior spinal artery aneurysm. A 61-year-old man presented with sudden onset headache. Initial computed tomography revealed SAH around the brainstem. Digital subtraction angiography(DSA)demonstrated a cervical dural AVF that was fed by the left C1 radicular, left C2 radicular, and anterior spinal arteries, and drained into the epidural plexus. An aneurysm in the branch of the cervical anterior spinal artery was considered the bleeding point. A left lateral suboccipital craniotomy and C1 hemilaminectomy were performed on day 43. The feeding arteries were clipped, followed by coagulation of the draining veins. However, the aneurysm was not clipped because we deemed that obliteration of the aneurysm would be difficult without disrupting the blood flow of the parent artery. The patient showed no neurological deterioration after the operation. Postoperative DSA revealed residual dural AVF. Therefore, a second surgery was performed. After the second open surgery, DSA showed that the dural AVF and aneurysm disappeared. The patient also showed no neurological deterioration after the second surgery.
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