Grade 1 lumbar spondylolisthesis

L4-L5 Grade 1 lumbar spondylolisthesis with secondary disc pseudoprotrusion. Signs of spondyloarthrosis and diffuse lumbar discarthrosis. Marked signs of severe Lumbar spinal stenosis at the L4-L5 level due to facet convergence, hypertrophy of the ligamentum flavum, and disc pseudoprotrusion. Signs of critical stenosis of the foramina of conjunction can also be seen. Mild broad-based posteromedial protrusion of the L5-S1 disc. Signs of Baastrup disease at the L4-L5 level with pseudo articulation between the spinous processes. The conus medullaris shows normal morphology and signal intensity. There are no masses or pathological collections at the epidural or subdural level. As a casual finding, an increase in the size of the prostate with multiple nodular images in the transitional zone in relation to an adenoma can be seen, be correlated with the history.

Lumbar undercutting laminectomy


Grade 1 lumbar spondylolisthesis L4 over L5 anterolisthesis with bilateral L5 spondylolysis. At the L4-L5 level, signs of marked multifactorial vertebral lumbar spinal stenosis are observed due to posteromedial protrusion of the intervertebral disc, facet hypertrophy, and yellow ligaments. Posteromedial protrusions at practically all levels studied (from T10-D11 to L4-5) with signs of mild lumbar spinal stenosis at L2-L3 and lumbar foraminal stenosis at left D11-D12, D12-L1, L1-L2, L2-L3, L3-L4 bilateral. The L1/L2 disc also presents a posteromedial extrusion component migrated caudally. Minimal crush fracture of the L5 vertebral body of subacute-chronic chronology and benign etiology with minimal loss of vertebral body height with minimal bone marrow edema at the present time. Left convexity lumbar scoliosis and lumbar hyperlordosis. Signs of disc degeneration and dehydration of thoracolumbar discs.

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