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American Journal of Neuroradiology 25:835-839, May 2004
© 2004 American Society of Neuroradiology

Technical Note
INTERVENTIONAL

Interventional MR Imaging with an Endospinal Imaging Coil: Preliminary Results with Anatomic Imaging of the Canine and Cadaver Spinal Cord

George Rapparda,b, Gregory J. Metzgera,c, Paul T. Weatheralla,b,c,d and Phillip D. Purdyb,a,d

a Department of Radiology, the University of Texas Southwestern Medical Center at Dallas, Dallas, TX
b Division of Neuroradiology, the University of Texas Southwestern Medical Center at Dallas, Dallas, TX
c Philips Medical Systems, the University of Texas Southwestern Medical Center at Dallas, Dallas, TX
d Mobility Foundation Center, the University of Texas Southwestern Medical Center at Dallas, Dallas, TX

Address correspondence to George Rappard, MD, Department of Radiology, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-8896

Summary: Percutaneous intraspinal navigation (PIN) is a new minimally invasive approach to the subarachnoid space. Using conventional radiographic fluoroscopy, entrance is gained to the lumbar subarachnoid space, allowing navigation throughout the spinal canal. Using an antenna/guidewire introduced via PIN, we performed endospinal MR imaging of the thoracic spinal cord in a cadaver and canine subject. Comparison images were obtained with an optimal surface coil. PIN allows endospinal MR imaging of the spinal cord, providing significant signal-to-noise ratio gains over conventional imaging.






Copyright © 2008 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X