Herniated nucleus pulposus of L5-S1 on the left

What does "Herniated nucleus pulposus of L5-S1 on the left" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.

Explanation

"Herniated nucleus pulposus of L5-S1 on the left" refers to a medical condition affecting the lower back. It means that the soft, jelly-like center of a spinal disc has pushed out through a tear in the tougher exterior casing. This condition is specifically located at the junction between the last lumbar vertebra and the first sacral vertebra, on the left side. This can cause pain, numbness, or weakness in an arm or leg.

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