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FIG 1. Patient 8: 4-year-old boy with right hemiparesis. This case illustrates the typical location of MCA stenosis associated with basal ganglia infarction.
A, Axial proton density–weighted image shows infarct in the left putamen.
B, Coronal MIP from 3D TOF MR angiography (0.5 T) shows stenoses (arrows) at the M1-M2 junction.
C, Stenoses of the left MCA (arrows) correspond in location to those seen at MR angiography. The angiographically more severe lesion is associated with a longer area of dephasing on the MR angiogram. There was no change in the arterial disease at repeat DSA 6 months later.
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