The intradiscal lumbar nucleus pulposus extract injection is a procedure used to relieve pain and improve function in patients with low back pain due to degenerative disc disease. In this procedure, a special mixture from a donor, including gel-like material and cells, is injected directly into the damaged spinal disc in your lower back. This injection uses X-ray or CT guidance to ensure precise delivery into the disc.

This procedure may help with symptoms such as chronic low back pain that doesn't get better with rest, physical therapy, or medications. It is often considered when other treatments like physical therapy and medications haven't provided relief and there's evidence of disc degeneration on imaging like an MRI.

Alternatives to this procedure include more conservative treatments like physical therapy, medications such as anti-inflammatories, or surgical options for more severe cases. Surgery might involve removing part of the disc, fusing the joints, or using artificial disc replacements.

There are risks associated with the injection, including infection, temporary nerve irritation leading to numbness or pain, and the rare possibility of significant bleeding, particularly if you're on blood thinners. The procedure itself is done on an outpatient basis, and you should arrange for someone to drive you home afterward. Most patients can return to light activity in a day but should avoid strenuous activities for a week.

Remember, this procedure is still being studied and isn't widely covered by insurance, so it's important to discuss with your doctor if it's the right option for you. You should also tell your doctor about any allergies, blood-thinning medications, or conditions like diabetes, which might affect the treatment plan.