An MRI (magnetic resonance imaging) is a safe and painless test that uses magnets and radio waves to make detailed pictures of the body's organs, muscles, soft tissues, and structures. Unlike a CAT ...

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 ...

What is lumbar spinal stenosis? Lumbar spinal stenosis is a narrowing of the spinal canal in the lower back (lumbar spine). The spinal canal houses the spinal cord and nerves. The narrowing caused by ...