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. 2016 Aug 10;22(6):624–637. doi: 10.1177/1591019916659262

Figure 6.

Figure 6.

A 23-year-old female with neurofibromatosis type 1 (NF1) presented with multiple episodes of left-sided hand symptoms thought to be related to opercular hypoperfusion. (a) Fluid-attenuated inversion recovery magnetic resonance imaging (FLAIR MRI) shows some high signal in the sulci of the right operculum and frontal lobe. (b) Right internal carotid artery (ICA) injection shows a high-grade stenosis of the supraclinoid right ICA and marked prominence of the middle cerebral artery (MCA) lenticulostriates. There is complete obliteration of the right anterior cerebral artery (ACA). (c) Left ICA injection shows mild narrowing of the supraclinoid left ICA and obliteration of the left A1. There is minimal, if any, prominence of the lenticulostriates on this side. (d) Postoperative cerebral angiogram following right superficial temporal artery to middle cerebral artery (STA-MCA) bypass shows excellent filling of the right MCA territory from the STA bypass.