Following contrast enhancement, not only are the dilated perimedullary vessels depicted but sometimes (especially in the later stages of the disease) diffuse.

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Presentation transcript:

Following contrast enhancement, not only are the dilated perimedullary vessels depicted but sometimes (especially in the later stages of the disease) diffuse enhancement may be seen within the cord as a sign of chronic venous congestion with breakdown of th... Following contrast enhancement, not only are the dilated perimedullary vessels depicted but sometimes (especially in the later stages of the disease) diffuse enhancement may be seen within the cord as a sign of chronic venous congestion with breakdown of the blood−spinal cord barrier. T. Krings, and S. Geibprasert AJNR Am J Neuroradiol 2009;30:639-648 ©2009 by American Society of Neuroradiology