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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 27:813-817, April 2006
© 2006 American Society of Neuroradiology

Technical Note
SPINE

Multidetector CT Angiography in Diagnosing Type I and Type IVA Spinal Vascular Malformations

P.H. Lai^a, M.J. Weng^a, K.W. Lee^b and H.B. Pan^a

^a Department of Radiology, Veterans General Hospital-Kaohsiung, National Yang-Ming University School of Medicine
^b Department of Radiology, Changhua Christian Hospital, Taiwan, ROC

Address correspondence to Ping-Hong Lai, MD, Department of Radiology, Veterans General Hospital-Kaohsiung, 386 Ta-Chung First Rd., Kaohsiung, Taiwan 813

SUMMARY: Multidetector CT (MDCT) angiography is an imaging technique that can provide high-resolution and high-contrast images; however, published reports of MDCT angiography in the evaluation of spinal vascular malformations are limited. We present 2 cases in which MDCT angiography led to diagnosis of a type I (spinal dural arteriovenous fistula) in one and type IVA (perimedullary spinal cord simple arteriovenous fistula fed by a single arterial feeder) spinal vascular malformation, both confirmed by conventional angiography. MDCT angiography can localize the feeding vessel and the fistula, thus greatly reducing the amount of time required for conventional angiography.

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