Quantitative assessment of the lumbar spinal canal by computed tomography

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

Research output: Contribution to journalArticlepeer-review

197 Scopus citations


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.

Original languageEnglish (US)
Pages (from-to)137-143
Number of pages7
Issue number1
StatePublished - 1980
Externally publishedYes


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