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AJNR - American Journal of Neuroradiology

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Cerebral Arteriovenous Fistulas Induced by Dural Arteriovenous Shunts

C. W. Lai^a, R. Agid^b, R. van den Berg^c and K. ter Brugge^b

^a Department of Radiology, Hong Kong Baptist Hospital, Hong Kong, China
^b Division of Neuroradiology, Toronto Western Hospital, Toronto, Ontario, Canada
^c Department of Radiology, Leiden University Medical Centre, Leiden, the Netherlands

View larger version (135K): [in a new window]   FIG 1. Right external carotid angiogram of case 3 shows the DAVSs at the superior sagittal sinus.

View larger version (169K): [in a new window]   FIG 2. Frontal-view right internal carotid angiogram of case 1 shows pial AVFs (horizontal arrows) and cortical venous reflux (oblique arrow).

View larger version (137K): [in a new window]   FIG 3. Selective injection of the left anterior cerebral branch of case 1 shows detailed angioarchitecture of the induced pial AVF. Reflux into the cortical vein in the right side is indicated (arrow).

View larger version (65K): [in a new window]   FIG 4. Left internal carotid angiogram of case two shows induced pial AVFs draining to the superior sagittal sinus (large arrow). A flow-related aneurysm has formed (vertical arrow). Reflux into cortical vein is noted (small arrow).