73 old female with known lumbar stenosis; evaluate for stability of the spine. Flexion and extension views of the lumbar spine demonstrate significant disk space narrowing and anterospondylolisthesis of L5 on S1, which is not significantly change with flexion/extension.Spinal survey demonstrates scoliosis with a slight leftward convexity. There is anterior ossified formation at C5 and C6. There is a positive sagittal balance, measuring 5.2 cm. The lumbar spine demonstrates the aforementioned anterospondylolisthesis of L5 on S1.
1. Positive sagittal balance.2. Anterospondylolisthesis and significant disk space narrowing of L5 on S1.3. Anterior osteophyte formation at C5 and C6.