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AJNR - American Journal of Neuroradiology

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Intracranial Vertebrobasilar Stenosis:Angioplasty and Follow-up

Hans C. Nahser^a, Hans Henkes^a, Werner Weber^a, Elisabeth Berg-Dammer^a, Tarek A. Yousry^,a and Dietmar Kühne^a

^a From the Departments of Neuroradiology (H.C.N., H.H., W.W., T.A.Y., D.K.) and Neurology (E.B-D.), Alfried-Krupp Krankenhaus, Essen, Germany; and the Department of Neuroradiology, Klinikum Grosshadern, Ludwig-Maximilians-Universität, Munich, Germany (T.A.Y.).

View larger version (193K): [in a new window]   FIG 1. A–D, Angiographic findings in a patient (case 2) with a filiform stenosis of the proximal basilar artery before (A and B) and after (C and D) PTA. A and C, anteroposterior view; B and D, lateral view

View larger version (67K): [in a new window]   FIG 2. A–C, Angiographic findings in a patient (case 9) with a high-grade stenosis of the distal vertebral artery (V4 segment). Stenosis evident before PTA (A) was completely resolved immediately afterward (B); follow-up MR angiogram (C) showed no restenosis

View larger version (85K): [in a new window]   FIG 3. A and B, Angiographic findings in a patient (case 8) with a high-grade stenosis of the left distal vertebral artery (V4 segment). Stenosis before angioplasty (A) was completely gone immediately afterward, but a clinically asymptomatic minor dissection is evident (arrow, B)