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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 25:787-791, May 2004
© 2004 American Society of Neuroradiology

Case Report
BRAIN

Multisection CT Venography of the Dural Sinuses and Cerebral Veins by Using Matched Mask Bone Elimination

Charles B. L. M. Majoie^a, Marcel van Straten^b, Henk W. Venema^a,b and Gerard J. den Heeten^a

^a Department of Radiology, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
^b Department of Medical Physics, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands

Address correspondence to Charles B. L. M. Majoie, MD, PhD, Department of Radiology, Academic Medical Center, University of Amsterdam, PO Box 22660, 1100 DD Amsterdam, the Netherlands

Summary: Matched mask bone elimination (MMBE) is a technique for the automatic removal of bone pixels from CT angiography data sets. We describe the use of this technique in two patients with the clinical suspicion of dural sinus thrombosis. We conclude that multisection CT venography with MMBE is a useful adjunct for the visualization of the intracranial venous circulation by removing bone from the image. In contrast to techniques described previously, MMBE is fully automated and operator independent.

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