Female, 66 years old, with left gluteal pain. Assess for sacroiliac joint disease or other etiologies of left hip pain. 5 mm of anterolisthesis of L5 relative to S1 is demonstrated. Elsewhere, sagittal alignment of the spine is anatomic.Vertebral body height and morphology are within normal limits. Marrow signal is mildly heterogeneous but free of pathologic marrow replacement and edema.The visualized distal spinal cord is unremarkable. The conus tip terminates at the level of the inferior L2 endplate which is the lower level of normal. The nerve roots of the cauda equina are unremarkable. No epidural abnormalities are suspected.T11-12: Facet arthropathy. Bulging disc. Mild spinal canal narrowing without cord impingement. Moderate left and mild right foraminal narrowing.T12-L1: Unremarkable.L1-2: Mild facet arthropathy. Ligamentum flavum thickening. No spinal canal or foraminal stenosis. L2-3: Moderate facet arthropathy. Ligamentum flavum thickening. No spinal canal or foraminal stenosis. L3-4: Marked facet arthropathy. Ligamentum flavum thickening. Slight encroachment upon the posterolateral thecal sac but no significant generalized spinal canal stenosis. No significant foraminal narrowing. L4-5: Marked facet arthropathy. Ligamentum flavum thickening. Mild bulging disc. Mild generalized spinal canal narrowing. Mild bilateral foraminal narrowing. L5-S1: Facet arthropathy. Ligament thickening. Disc bulging and disc uncovering with annular fissuring. Moderate generalized spinal canal stenosis with effacement of the lateral recesses. Moderate bilateral foraminal narrowing. The sacroiliac joints are only partially visualized on this examination but show some evidence of sclerosis.
1.Spondylolisthesis at L5-S1 with associated posterior element hypertrophy results in a moderate spinal canal stenosis and moderate foraminal narrowing. 2.At the remaining lumbar levels, posterior element hypertrophy is seen with relative sparing of the intervertebral discs.3.There may be sclerosis of the sacroiliac joints, but this region is only partially visualized on the present study.