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Lumbar lordosis is preserved. No evidence of spondylolistheisis or scoliosis. No endplate degenerative change or facet joint arthropathy is seen. Cortical irregularity of both sacroiliac joints suggests degenerative change. At the L5/S1 level, a small left paracentral disc protrusion is present that mildly indents the traversing left S1 nerve root without definite compression. The thecal sac is contacted, but not compressed. The neutral exit formina are capacious. At the L4/5 level, a small broad based disc bulge is present that indents the thecal sac without compression. Mild bilateral neutral exit foraminal narrowing is present. Conclusion: Cortical irregularity of both sacroiliac joints raises the possibility of mild degenerative change or early sacroiliits. The traversing left S1 nerve root is mildly indented by an L5/S1 disc protrusion with no definite compression seen. |
