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Gadolinium Enhancement of Cauda Equina: A New MR Imaging Finding in the Radiculitic Form of Tick-Borne Encephalitis

S. Marjelunda, A. Jaaskelainenb, T. Tikkakoskic, S. Tuiskud and O. Vapalahtib

a Department of Radiology, Oulu University Central Hospital, Oulu, Finland
b Haartman Institute, Helsinki University, Helsinki, Finland
c Department of Radiology, Keski-Pohjanmaa Central Hospital, Kokkola, Finland
d Department of Neurology, Keski-Pohjanmaa Central Hospital, Kokkola, Finland


Figure 1
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  		Fig 1. Gadolinium-enhanced axial 5-mm turbo FLAIR image shows normal basal ganglia and thalami.


Figure 2
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  		Fig 2. Axial 7-mm T2* image (A) at the level of conus medullaris shows normal finding.

Gadolinium-enhanced 4-mm sagittal (B) and 5-mm axial (C) T1-weighted MR images show enhancement of the anterior nerve roots (arrow) at the level of conus medullaris.

Coronal 5-mm T1 fat-saturated image shows enhancement of the nerve roots (arrows) up to level L5 (D).





Copyright © 2008 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X