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(Radiology. 1999;211:882-885.)
© RSNA, 1999

Technical Developments

Cervical Spine Tomography with an Angiographic C-arm1

Carlin A. Ridpath, MD, Anthony J. Wilson, MB, ChB, Steve G. Langer, PhD, Frederick A. Mann, MD and John C. Hunter, MD

1 From the Department of Radiology, Harborview Medical Center, University of Washington, 325 Ninth Ave, Box 359728, Seattle, WA 98104. From the 1997 RSNA scientific assembly. Received February 23, 1998; revision requested April 29; revision received June 29; accepted December 16. Address reprint requests to A.J.W.

Phantom studies were performed to develop a technique for linear tomography of the craniocervical junction with a digital fluoroscopic angiographic C-arm unit. Section thicknesses were similar to those used at conventional tomography, and the radiation dose was lower. C-arm tomography was possible with a 6-second exposure and a 40° arc. C-arm tomography is a practical method for decreasing patient turnaround time.

Index terms: Spine, fractures, 30.41 • Spine, injuries, 30.40, 30.41 • Spine, radiography, 30.1215, 30.1218, 30.1219 • Tomography, 30.12




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