Axial MRI of the Lumbar Spine - T2 weighted image at the L4 level. On this view centered over the L4-L5 disk, one can see well the cauda equina surrounded by CSF (note that CSF is bright on ...

The vertebrae of the lumbar spine are numbered L1 through L5; the “L” stands for “lumbar.” They are: L1: This vertebra begins the lumbar spine after the thoracic spine ends. L2–L4: ...

Jason Cuellar, MD, PhD, had the unique opportunity to develop and execute a multi-level disc replacement with his patient, endoscopic spine surgeon Scott Adelman, MD. Dr. Adelman suffered lower back ...