Female, 50 years old, with low back pain. Spinal alignment is anatomic. Vertebral body height and morphology are within normal limits. Marrow signal characteristics are unremarkable. No evidence of bone marrow edema is seen.The visualized spinal cord, conus and nerve roots of the cauda equina are within normal limits. No epidural abnormalities are suspected.L1-2: Unremarkable. L2-3: Mild facet hypertrophy and ligamentum flavum thickening. Otherwise unremarkable. L3-4: Moderate facet hypertrophy and ligamentum flavum thickening. No significant spinal canal or foraminal stenosis. L4-5: Moderate to severe facet hypertrophy with ligamentum flavum thickening. Mild loss of disc T2 signal with preservation of disc height and no significant bulge or herniation. No spinal canal stenosis. Mild bilateral foraminal narrowing. L5-S1: Mild facet hypertrophy and ligamentum flavum thickening. Loss of disc height and disc T2 signal intensity. Mild disc bulging with a superimposed right foraminal disc protrusion. No significant spinal canal stenosis. Moderate, right more than left, bilateral foraminal narrowing A Tarlov cyst is evident within the left S2 neural foramen.
1.Posterior limb and hypertrophy is seen becoming most severe at the L3-4 and L4-5 levels.2.Mild disc degeneration is noted at L4-5 with moderate disc degeneration at L5-S1. No significant spinal canal stenosis is seen. However the neural foramina are moderately narrowed at L5-S1.