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  • Title: [Dural arteriovenous fistula at the cranio-cervical junction presenting transient ischemic attack: a case report].
    Author: Masuo O, Ozaki F, Okita R, Yamaga H, Maeshima S, Moriwaki H, Terada T.
    Journal: No Shinkei Geka; 1999 Nov; 27(11):1043-6. PubMed ID: 10565051.
    Abstract:
    A 58-year-old male was admitted to our hospital because of repeated transient ischemic attack of right hemiparesis and speech disturbance. A CT scan did not demonstrate any remarkable findings. No significant cerebral arterial stenosis or occlusion was found on angiography. However, dural arteriovenous fistula fed by the radiculo-meningeal artery was found at the cranio-cervical junction on left vertebral angiography. The shunt flow from the arteriovenous fistula drained into the superior petrosal sinus and sigmoid sinus in a retrograde fashion. On the angiographic findings when his transient ischemic attack (TIA) had disappeared, the venous drainage had returned to its normal fashion. Venous hypertension around the brain stem was supposed to have caused the transient ischemic attack in this case. We performed coagulation of the draining vein and fistula surgically. After surgery, the patient's TIA completely disappeared. We report the first case of dural arteriovenous fistula at the cranio-cervical junction presenting transient ischemic attack.
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