AJNR -- Alvarez-Linera et al. 24 (5): 1012 Figure 2

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FIG 2. Grade 2 stenosis overestimated with elliptic centric contrast-enhanced MR angiography.

A, Oblique DSA image demonstrates a grade 2 stenosis in the left internal carotid artery.

B, Elliptic centric contrast-enhanced MR angiogram shows mild overestimation of the stenosis (grade 3).

C, Spiral CT angiogram shows good correlation with DSA.