Anterolisthesis: radicular low back pain. At T12-L2, there is no significant spinal canal or neural foramen stenosis. At L2-3, there is a slight disc bulge, but no significant spinal canal or neural foramen stenosis. At L3-4, there is a mild disc bulge and ligamentum flavum thickening with mild left neural foramen stenosis, but no significant spinal canal or right neural foramen stenosis. At L4-5, there is 5 mm of anterolisthesis and mild disc space narrowing and loss of fluid signal associated with a disc bulge, which in conjunction with ligamentum flavum thickening results severe spinal canal and mild left neural foramen stenosis. At L5-S1, there is mild disc space narrowing and loss of fluid signal as well as adjacent endplate signal alterations associated a disc bulge, which in conjunction with annular fissure and ligamentum flavum thickening leads to moderate spinal canal and mild bilateral neural foramen stenosis. The imaged portions of the spinal cord are unremarkable. The vertebral body heights are preserved. There paraspinal soft tissues are unremarkable. There is a T2 hyperintense lesion in the right kidney that measures up to 12 mm.
1. At L4-5, 5 mm of anterolisthesis and a disc bulge and ligamentum flavum thickening result in severe spinal canal and mild left neural foramen stenosis. 2. At L5-S1, a disc bulge with annular fissure and ligamentum flavum thickening result in moderate spinal canal and mild bilateral neural foramen stenosis. 3. Incompletely characterized lesion in the right kidney that measures up to 12 mm, which may represent a cyst. Further evaluation via renal ultrasound may be useful.