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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 28:1523-1525, September 2007
DOI 10.3174/ajnr.A0622
© 2007 American Society of Neuroradiology

Case Report
FUNCTIONAL

Giant Cystic Widening of Virchow-Robin Spaces: An Anatomofunctional Study

J. Mathias^a, L. Koessler^b, H. Brissart^c, S. Foscolo^a, E. Schmitt^a, S. Bracard^a, M. Braun^a and S. Kremer^a

^a Service de Neuroradiologie Diagnostique et Interventionnelle, Centre Hospitalier et Universitaire de Nancy, France
^b Laboratoire Imagerie Adaptative Diagnostique et Interventionnelle, Hôpitaux de Brabois, Vandoeuvre-les-Nancy, France
^c Service de Neurologie, Centre Hospitalier et Universitaire de Nancy, Nancy, France

Please address correspondence to: Marc Braun, MD, Service de Neuroradiologie Diagnostique et Interventionnelle, Centre Hospitalier et Universitaire de Nancy, 29 du Maréchal de Lattre de Tassigny, 54000 Nancy, France; e-mail: m.braun{at}chu-nancy.fr

SUMMARY: We describe 2 patients with unusual white matter cystic dilations, which could correspond to widening of the perivascular spaces. They underwent morphologic MR imaging with tractography, functional MR imaging (fMRI), and neuropsychological evaluation. fMRI examination showed no functional reorganization of cortical areas. Tractography showed an apparent decrease of white matter tract vectors into the regions of concern. Findings of the neuropsychological examination were normal. It seems that even an extensive cystic dilation of white matter does not deteriorate brain function.