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  • Title: Preoperative evaluation of spinal vascular malformation by MR angiography: how reliable is the technique: case report and review of literature.
    Author: Sharma AK, Westesson PL.
    Journal: Clin Neurol Neurosurg; 2008 May; 110(5):521-4. PubMed ID: 18358597.
    Abstract:
    Contrast-enhanced MR angiography (MRA) has been increasingly used in the evaluation of spinal vascular malformations. Even though MR spinal angiography has several advantages over catheter spinal angiography (DSA), however, spinal DSA must never be omitted before operation, even if the vascular malformation is nicely demonstrated by MR angiography. We report a case of spinal vascular malformation in which MR angiography provided great images which almost convinced everyone about the type and site of malformation/fistula. The images were so convincing that it was almost decided to skip catheter based angiography, citing reason of disadvantages of catheter based angiography over MR angiography. However, spinal DSA was luckily done which completely changed the type and site of malformation and helped in avoiding failed surgery. We conclude that even though catheter based spinal angiography has disadvantages over MRA, it should never be omitted from the diagnostic protocol.
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