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Published online before print December 22, 2004, 10.1148/radiol.2342031497
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MR Evaluation of Dural Ectasia in Marfan Syndrome: Reassessment of the Established Criteria in Children, Adolescents, and Young Adults1

Christian R. Habermann, MD, Florian Weiss, MD, Volker Schoder, MSc, Miriam C. Cramer, MD, Joern Kemper, MD, Oliver Wittkugel, MD and Gerhard Adam, MD

1 From the Department of Diagnostic and Interventional Radiology (C.R.H., F.W., M.C.C., J.K., G.A.), Institute for Medical Biometry and Epidemiology (V.S.), and Department of Neuroradiology (O.W.), University Hospital Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany. Received September 18, 2003; revision requested December 2; final revision received April 7, 2004; accepted May 26. Address correspondence to C.R.H. (e-mail: c.habermann@uke.uni-hamburg.de).



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  		Figure 1. Sagittal T2-weighted spin-echo MR image (4200/112; section thickness, 4 mm; matrix size, 192 x 256) of the lumbosacral spine shows measurement (lines) of scalloping at the levels of L5 and S1.

 


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  		Figure 2. Sagittal T2-weighted spin-echo MR images (4200/112; section thickness, 4 mm; matrix size, 192 x 256) of the lumbosacral spine show measurement (lines) of, A, vertebral body diameters, and B, dural sac diameters.

 


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  		Figure 3. Graph shows receiver operating characteristic analyses for dural sac ratio at levels L5 (solid curve) and S1 (dashed curve) in patients with Marfan syndrome, with very similar diagnostic value at both levels.

 




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