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. 2005 Jul 1;1(1):e2. doi: 10.2349/biij.1.1.e2

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© 2005 Biomedical Imaging and Intervention Journal

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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CT discographic patterns in a 36-year-old man who had low back pain with right buttock pain and right leg radiation. (a) Axial CT image shows a normal L3/4 disc (DDD grade 0). (b) Axial CT image shows a small L4/5 posterior annular tear (DDD grade 3). (c) Axial CT image shows extensive L5/S1 posterior annular disruption (DDD grade 4). (d) Sagittal recontructed CT image provides a good overview of a normal L3/4 disc, and posterior tears of protruding L4/5 and L5/S1 discs. Both lower discs were symptomatic.