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What Is Nucleoplasty?

Nucleoplasty is a minimally invasive percutaneous disc-decompression procedure that removes a small amount of nucleus pulposus from an intervertebral disc. It uses a specialized radiofrequency-based coblation device to create a low-temperature plasma field that dissolves small channels of disc tissue. Reducing the volume inside a contained disc can lower intradiscal pressure and allow a small herniation to retract away from an irritated nerve root. The technique has been used most often for selected lumbar disc herniations and, less commonly, for cervical discs.

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What Is Nucleoplasty?

Nucleoplasty is a minimally invasive percutaneous disc-decompression procedure that removes a small amount of nucleus pulposus from an intervertebral disc. It uses a specialized radiofrequency-based coblation device to create a low-temperature plasma field that dissolves small channels of disc tissue. Reducing the volume inside a contained disc can lower intradiscal pressure and allow a small herniation to retract away from an irritated nerve root. The technique has been used most often for selected lumbar disc herniations and, less commonly, for cervical discs.

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Why Is Nucleoplasty Performed?

Nucleoplasty is considered for selected patients with persistent radicular pain from a contained disc protrusion that has not improved with appropriate conservative treatment. It is generally not intended for large extruded or sequestered disc fragments, severe spinal stenosis, major neurologic deficits, or marked spinal instability. Published reviews have reported pain and functional improvement in some patients, but the overall evidence base is limited and less robust than the evidence supporting standard surgical discectomy for appropriate cases. Careful correlation of symptoms, examination findings, and imaging is therefore needed before the procedure is considered.

How Is Nucleoplasty Performed?

The patient lies on a procedure table while fluoroscopy is used to guide a needle into the affected disc through the skin. A thin coblation wand is advanced through the needle into the nucleus pulposus. The device is activated along several small channels so a limited amount of nucleus material is removed while thermal injury to surrounding tissue is minimized. The instruments are then withdrawn, and a small dressing is placed over the puncture site.

What Is Recovery Like After Nucleoplasty?

Nucleoplasty is usually performed as an outpatient procedure, and patients are observed briefly before going home. Temporary soreness or an increase in back pain can occur around the needle-entry site during the first several days. Walking and light activity are commonly resumed early, while heavy lifting, strenuous exercise, and repeated bending are restricted for a short period according to the treating clinician's instructions. Improvement in leg pain can occur gradually over days to weeks rather than immediately after the procedure.

What Are the Risks and Complications?

Possible complications include bleeding, infection, discitis, temporary worsening of pain, nerve irritation, numbness, and injury related to needle placement. Damage to a nerve root, blood vessel, or nearby structure is uncommon but possible. The disc can continue to degenerate or herniate, and symptoms can persist despite technically successful decompression. Some patients later require epidural treatment, repeat intervention, microdiscectomy, or another spine operation when pain does not improve.

Frequently Asked Questions About Nucleoplasty

Is nucleoplasty the same as a discectomy?

No. Nucleoplasty removes only a small amount of nucleus tissue through a needle, while surgical discectomy directly removes herniated disc material through an operative exposure.

What type of disc herniation is best suited to nucleoplasty?

The procedure is generally considered for selected contained disc protrusions rather than large extruded or free disc fragments.

Does nucleoplasty use heat?

It uses radiofrequency-based coblation to create a low-temperature plasma field. The goal is tissue removal with less thermal spread than conventional high-temperature radiofrequency cautery.

How strong is the evidence for nucleoplasty?

Systematic reviews have described limited to fair evidence for selected contained disc herniations, so nucleoplasty is not considered the standard treatment for every patient with disc-related radicular pain.

References

Nucleoplasty, a minimally invasive procedure for disc decompression: a systematic review and meta-analysis of published clinical studies. PubMed. https://pubmed.ncbi.nlm.nih.gov/24658486/. Date Accessed September 11, 2026.

An update of the systematic assessment of mechanical lumbar disc decompression with nucleoplasty. PubMed. https://pubmed.ncbi.nlm.nih.gov/23615886/. Date Accessed September 11, 2026.

A systematic review of mechanical lumbar disc decompression with nucleoplasty. PubMed. https://pubmed.ncbi.nlm.nih.gov/19461823/. Date Accessed September 11, 2026.

Current evidence of percutaneous nucleoplasty for the cervical herniated disk: a systematic review. PubMed. https://pubmed.ncbi.nlm.nih.gov/24131742/. Date Accessed September 11, 2026.

Side effects and complications after percutaneous disc decompression using coblation technology. PubMed. https://pubmed.ncbi.nlm.nih.gov/16357543/. Date Accessed September 11, 2026.