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FIG 2. Patient 7: 45-year-old woman with stroke.
A, Right internal carotid arteriogram shows tight stenosis with ulceration in the M1 segment.
B, Saved roadmap fluoroscopic image shows a dilated balloon at the stenotic site.
C, Angiogram obtained after angioplasty shows a focal spasm at the distal end of the balloon position (arrow).
D, Final angiogram obtained after nitroglycerin infusion shows no further spasm and improved flow into the MCA.
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