Case of the Week
Section Editors: Matylda Machnowska1 and Anvita Pauranik2
1University of Toronto, Toronto, Ontario, Canada
2BC Children's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
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October 25, 2010 (Main)
Figure Legend:
Axial T2WI (A) demonstrates focal prominence of flow-void (curved arrow) in the inferior aspect of the right sylvian cistern. MRA source image (B) demonstrates an ovoid lesion with bright signal within, in the expected location of the right middle cerebral artery (MCA) trifurcation. 3-D surface-shaded display (SSD) (C)demonstrates a saccular lesion (arrow) at this site.
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