Digital R vertebral angiogram; Towne & oblique lateral
Digital R vertebral angiogram; Towne & oblique lateral Findings: Tiny 3mm aneurysm arising from the left AICA, smaller than the lesion seen on MR. There is some reflux into the right internal carotid (R ICA) on the lateral projection. Right vertebral artery (R vert). Posterior cerebral arteries (PCAs). Combined right anterior inferior and posterior inferior cerebellar arteries (R AICA/PICA).