AJDRAJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 2007;28:1752.

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American Journal of Neuroradiology
DOI 10.3174/ajnr.A0713

CASE REPORT

CT Angiographic Appearance of In-Stent Restenosis of Intracranial Arteries Treated with the Wingspan Stent

A.S. Turk, H.A. Rowley, D.B. Niemann, D. Fiorella, B. Aagaard-Kienitz, K. Pulfer and C.M. Strother

From the Departments of Radiology (A.S.T., H.A.R., D.B.N., B.A.-K., K.P. C.M.S.) and Neurosurgery (A.S.T., D.B.N., B.A.-K., C.M.S.), University of Wisconsin Hospital and Clinics, Madison, Wis; and the Department of Radiology (D.F.), Cleveland Clinic Foundation, Cleveland, Ohio.

Please address correspondence to Aquilla S. Turk, DO, 600 Highland Ave, CSC E3/372, Madison, WI 53792; e-mail: as.turk{at}hosp.wisc.edu

SUMMARY: Four patients underwent angioplasty and stenting of medically refractory symptomatic intracranial atherosclerosis with the new Wingspan stent system. In all 4 patients, CT angiography (CTA) showed an abnormality within the stented segment that was suggestive of nonocclusive in-stent thrombus. However, subsequent conventional angiography findings were typical for in-stent restenosis. The CTA imaging features of in-stent restenosis are important to recognize, and the misinterpretation of in-stent restenosis as in-stent thrombus may result in inappropriate management.




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Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X