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© 2004 by the American Institute of Ultrasound in Medicine
J Ultrasound Med 23:1065-1072 • 0278-4297

Technical Advance

Intraoperative Sonography of Intracranial Arteriovenous Malformations

How We Do It

Sara Griffith, RDMS, RVT, RTR, Myron A. Pozniak, MD, Carol C. Mitchell, PhD, RDMS, RDCS, RVT, RTR, Michael E. Ledwidge, BS, RDMS, RVT, CNMT, Robert Dempsey, MD, Amy Peters, RDMS and Erin Taylor, RDMS, RVT

Departments of Radiology and Neurosurgery, University of Wisconsin Hospital and Clinics, Madison, Wisconsin USA.

Address correspondence and reprint requests to Myron A. Pozniak, MD, Department of Radiology, University of Wisconsin Hospital and Clinics, 600 Highland Ave, Madison, WI 53792-3252 USA. E-mail: mpozniak{at}wisc.edu.

Objective. We have advanced the application of intraoperative neurosonography by combining gray scale sonographic imaging with pulsed wave Doppler and color flow Doppler imaging to guide and confirm resection of arteriovenous malformations of the brain. We want to share our technique with the imaging community. Methods. We present a review of our scan technique as it has evolved over the 3 years during which we have been assisting our neurosurgical team. Results and Conclusions. Our experience has indicated that a combination of sonographic imaging and color and spectral Doppler imaging improves surgical resection of such lesions.

Key Words: arteriovenous malformation • Doppler sonography • intracranial • intraoperative sonography

Abbreviations: AVM, arteriovenous malformation • RI, resistive index




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Copyright © 2004 by the American Institute of Ultrasound in Medicine.