Lumbar herniated nucleus pulposus (HNP) and lumbar spinal stenosis (LSS) are common spine pathologies with different clinical presentations and interventions. HNP generally has an acute onset ...
Many patients with lower back pain, sciatica, pain down the back of the legs, or weakness of the lower-extremity muscles are diagnosed with a herniated (a.k.a. compressed or ruptured) spinal disc.