Herniated nucleus pulposus (HNP), also referred to as a herniated ... into the lower leg and lateral foot. The pain is often aggravated by coughing, sneezing, or straining. It may also be ...

HNP generally has an acute onset often without ... Lumbar spinal stenosis (LSS) is the narrowing of the central canal and, often, the lateral recess due to facet joint hypertrophy, thickening ...