• Eur J Radiol · Nov 2002

    Case Reports

    Engorged and tortuous intradural filum terminale vein as a sign of a sacral dural arteriovenous malformation.

    • Chi Jen Chen and Hui Ling Hsu.
    • 2nd Department of Diagnostic Radiology, Chang Gung Memorial Hospital and University, 199 Tung Hwa North Road, Taipei, Taiwan, ROC. radcjc@cgmh.org.tw
    • Eur J Radiol. 2002 Nov 1; 44 (2): 152-5.

    AbstractSacral spinal dural arteriovenous (AV) malformation is rare and its clinical features are not specific to differentiate sacral dural AV malformation from the superiorly located ones. A sacral dural AV malformation, therefore, is usually diagnosed after negative thoracic and lumbar arteriograms. In this report, we propose a myelographic or magnetic resonance (MR) sign of engorged and tortuous intradural filum terminale vein as an indication of a sacral dural AV malformation. When this sign is seen, pelvic arteriography should be performed first.

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