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  • Title: A Case of Subcortical Hemorrhage in the Left Temporal Lobe Caused by Multiple Dural Arteriovenous Fistulas.
    Author: Usui R, Ishima D, Abe Y, Sato Y, Kimura A, Kimoto T, Nagashima M, Adachi T, Nagata N, Niki J, Yamamoto D, Akutsu T, Nishiyama K.
    Journal: J Stroke Cerebrovasc Dis; 2020 May; 29(5):104712. PubMed ID: 32093986.
    Abstract:
    Transverse sinus-sigmoid sinus (TS-SS) dural arteriovenous fistula (dAVF) is common type of dAVF, on the other hand, anterior condylar confluence (ACC) dAVF is relatively rare. There has been no report presenting patients with TS-SS dAVF and ACC dAVF identified simultaneously yet. We present a case of TS-SS dAVF and ACC dAVF that developed subcortical hemorrhage of left temporal lobe. A 66-year-old woman with no past history was transferred to our hospital for sudden-onset consciousness disturbance, and was urgently admitted after the detection of a subcortical hemorrhage in the left temporal lobe. We suspected a dAVF based on magnetic resonance angiography and performed digital subtraction angiography (DSA). DSA revealed that the left occipital artery, left ascending pharyngeal artery, left middle meningeal artery, left tentorial artery, and posterior meningeal artery flowed into the TS-SS and ACC. DSA also showed outflow from the TS-SS to the brain surface through the vein of Labbé and the vein of Trolard. We performed transvenous embolization to prevent re-bleeding, she was then discharged from our hospital and her remaining sensory aphasia gradually improved. In the present study, the active investigation to determine the cause of subcortical hemorrhage led to a definitive diagnosis. The combination of ACC dAVF and TS-SS dAVF has not been reported thus far and this is considered a valuable case.
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