Medically reviewed by Jennifer Steinhoff, MD Key Takeaways The lumbar spine includes five vertebrae that help with mobility ...

Herniated nucleus pulposus (HNP), also referred to as a herniated disc, is a common spine pathology that occurs approximately 95% of the time at the L4-L5 or L5-S1 level (Fisher et al., 2004; Asch et ...

Description of procedure: The patient underwent lumbar epidural steroid injection today. The epidural was observed at the level of L4-L5 under AP and lateral fluoroscopic guidance. 2cc of Omnipaque ...