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. 1980 Jan;134(1):137-43.
doi: 10.1148/radiology.134.1.7350593.

Quantitative assessment of the lumbar spinal canal by computed tomography

C G Ullrich, E F Binet, M G Sanecki, S A Kieffer

Quantitative assessment of the lumbar spinal canal by computed tomography

C G Ullrich et al. Radiology. 1980 Jan.

Abstract

An experimentally validated simple standardized method for making precise measurements of the spinal canal directly from the video display of a CT scanner is described. Using this method, normal values for anteroposterior diameter, interpediculate distance, and cross-sectional area of the lumbar spinal canal have been determined in a series of 60 adults. A careful study of canal configuration combined with the prudent use of the normal values should allow the CT diagnosis of lumbar spinal stenosis to be made with a high level of confidence.

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