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What Is Posterior Cervical Foraminotomy?

Posterior cervical foraminotomy is a motion-preserving neck operation that decompresses a cervical nerve root through an approach from the back of the neck. The surgeon enlarges the neural foramen, the bony opening through which the nerve exits the spine. A small portion of the lamina and facet joint can be removed, and a laterally located disc fragment can also be taken out when it contributes to compression. Because the disc space is not routinely fused, motion at the treated level can usually be preserved.

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What Is Posterior Cervical Foraminotomy?

Posterior cervical foraminotomy is a motion-preserving neck operation that decompresses a cervical nerve root through an approach from the back of the neck. The surgeon enlarges the neural foramen, the bony opening through which the nerve exits the spine. A small portion of the lamina and facet joint can be removed, and a laterally located disc fragment can also be taken out when it contributes to compression. Because the disc space is not routinely fused, motion at the treated level can usually be preserved.

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Why Is Posterior Cervical Foraminotomy Performed?

The procedure is used for selected patients with cervical radiculopathy caused by foraminal stenosis or a lateral disc herniation that compresses one nerve root. Typical symptoms include arm pain, numbness, tingling, or weakness that follows the affected nerve distribution. Surgery is generally considered when symptoms persist despite nonsurgical treatment or when progressive neurologic weakness makes decompression more urgent. Posterior foraminotomy is less suitable when major spinal instability, severe central compression, deformity, or predominantly axial neck pain requires a different surgical strategy.

How Is Posterior Cervical Foraminotomy Performed?

The surgeon makes an incision at the back of the neck and separates or dilates the posterior muscles to reach the affected cervical level. A small amount of lamina and medial facet bone is removed to enlarge the foramen around the compressed nerve root. If a lateral soft-disc fragment is accessible from the posterior corridor, it can be removed without taking out the entire disc. The operation can be performed through a traditional open approach or with minimally invasive tubular or endoscopic techniques.

What Is Recovery Like After Posterior Cervical Foraminotomy?

Patients often begin walking and moving the neck soon after surgery as pain allows. Posterior neck soreness and muscle spasm can occur during the early recovery period because the operation passes through muscles at the back of the neck. Arm pain can improve quickly when nerve compression is relieved, while numbness or weakness can take longer to recover. Activity is increased gradually, and many patients do not require the prolonged fusion precautions associated with cervical fusion surgery.

What Are the Risks and Complications?

Possible complications include infection, bleeding, dural tear, cerebrospinal fluid leak, nerve-root injury, persistent pain, and recurrent radiculopathy. Excessive removal of the facet joint can contribute to postoperative instability, although careful technique preserves enough joint to reduce this risk. Scar tissue or recurrent foraminal narrowing can later compress the nerve again and lead to repeat surgery. Rare complications include spinal-cord injury, vascular injury, or a postoperative hematoma causing neurologic compression.

Frequently Asked Questions About Posterior Cervical Foraminotomy

Does posterior cervical foraminotomy require fusion?

Usually not. One advantage of the operation is that it can decompress a cervical nerve root while preserving motion at the treated level.

How does posterior cervical foraminotomy compare with ACDF?

For selected single-level foraminal radiculopathy, randomized trials have found posterior foraminotomy to be noninferior to anterior cervical discectomy and fusion for clinical success and arm-pain relief.

Can a herniated cervical disc be removed from the back?

Selected lateral or foraminal soft-disc fragments can be removed during posterior foraminotomy when they are safely accessible from the posterior approach.

Can nerve compression return after posterior cervical foraminotomy?

Yes. Recurrent disc herniation, scar tissue, or progressive foraminal narrowing can cause symptoms to return and can occasionally require another operation.

References

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Cytoreductive surgery and hyperthermic intraperitoneal chemotherapy: a review of factors contributing to morbidity and mortality. PubMed. https://pubmed.ncbi.nlm.nih.gov/26941988/. Date Accessed September 11, 2026.

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