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Published online before print June 28, 2002, 10.1148/radiol.2242011302
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New Brain Lesions at MR Imaging after Carotid Angioplasty and Stent Placement1

Hans P. M. van Heesewijk, MD, PhD, Jan Albert Vos, MD, Elisabeth S. Louwerse, MD, PhD, Jos C. van den Berg, MD, PhD, Timotheus T. C. Overtoom, MD, Sjef M. P. G. Ernst, MD, PhD, Henk W. Mauser, MD, PhD, Frans L. Moll, MD, PhD and Rob G. A. Ackerstaff, MD, PhD

1 From the Departments of Radiology (H.P.M.v.H., J.A.V., T.T.C.O., J.C.v.d.B.), Clinical Neurophysiology (E.S.L., R.G.A.A.), Cardiology (S.M.P.G.E.), Neurology (H.W.M.), and Vascular Surgery (F.L.M.), St Antonius Hospital, Koekoekslaan 1, Postbus 2500, 3430 EM Nieuwegein (Utrecht), the Netherlands. Received July 31, 2001; revision requested September 24; revision received November 21; accepted January 8, 2002. Address correspondence to H.P.M.v.H. (e-mail: j.heesewijk@antonius.net).



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  		(a) Transverse FLAIR MR image (6,500/120/2,000) obtained before CAS. Arrows indicate lesions on the left and right side. (b) Transverse FLAIR MR image (6,500/120/2,000) obtained after left-sided CAS demonstrates new hyperintense lesions and enlargement of preexisting lesions on the side of stent placement. Arrows indicate preexisting lesions; arrowheads indicate new lesions.

 


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  		(a) Transverse FLAIR MR image (6,500/120/2,000) obtained before CAS. Arrows indicate lesions on the left and right side. (b) Transverse FLAIR MR image (6,500/120/2,000) obtained after left-sided CAS demonstrates new hyperintense lesions and enlargement of preexisting lesions on the side of stent placement. Arrows indicate preexisting lesions; arrowheads indicate new lesions.

 




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