An Unusual Cause of Pediatric Stroke Secondary to Congenital Basilar Artery Fenestration
Figure 1
(a) Diffusion-weighted MRI sequence reveals punctate areas of reduced diffusivity in bilateral cerebellar hemispheres (arrowhead). (b) CT angiography and (c) MR angiography reveal an area of signal abnormality of the basilar artery at the level of the anterior inferior cerebellar artery (arrowhead). (d) Conventional angiography confirmed the area of abnormality as a type 2 basilar artery fenestration (arrowhead) without evidence of dissection, thrombus, or aneurysm.
