A corpectomy is a spinal surgery that removes one or more vertebral bodies, the block-shaped bones that stack to form your spine, along with the discs above and below them. The goal is to relieve pressure on the spinal cord or nerve roots caused by bone spurs, herniated discs, tumors, or other structural problems. After the bone is removed, the surgeon fills the gap with a graft or cage and secures the spine with metal hardware so the bones fuse together over time.
The procedure is most commonly performed in the cervical (neck) region, where it’s known as an anterior cervical corpectomy and fusion, but it can also be done in the thoracic or lumbar spine.
Why a Corpectomy Is Performed
The most common reason for a corpectomy is cervical spondylotic myelopathy, a condition where age-related changes in the spine narrow the spinal canal and compress the spinal cord. Symptoms typically include difficulty with fine motor tasks like buttoning a shirt, unsteady walking, numbness or tingling in the hands and feet, and sometimes problems with bladder control. When these symptoms are caused by compression coming from the front of the spinal cord, an anterior approach like corpectomy is often the preferred route because it allows the surgeon to directly remove the source of pressure.
Other conditions that may call for a corpectomy include fractures that collapse a vertebral body, spinal tumors, and ossification of the posterior longitudinal ligament (a condition where a ligament running behind the vertebral bodies gradually turns to bone and squeezes the spinal cord). In some cases, severe bone spurs spanning multiple levels make corpectomy the better option compared to removing individual discs one at a time.
Corpectomy vs. Multi-Level Discectomy
If compression is limited to the disc spaces between vertebrae, a surgeon can often perform a discectomy, removing just the disc material without touching the vertebral bodies. When compression spans multiple levels or involves the vertebral body itself, a corpectomy becomes the more effective choice because it clears a wider path for the spinal cord.
Several factors guide this decision: the location and extent of the compression, the curvature of the neck (especially whether there’s a forward bend called kyphosis), prior surgeries, and the patient’s overall health. When compression is primarily in front of the spinal cord and the spine has lost its normal curve, an anterior approach with corpectomy is generally recommended. For patients with compression at three or more levels and a spine that still curves normally, a posterior (back of the neck) approach may be preferable instead.
How the Surgery Works
For a cervical corpectomy, the surgeon makes an incision roughly three inches long on the front side of the neck, next to the windpipe. The neck muscles, esophagus, and blood vessels are gently moved aside to expose the front of the spine. Once the target vertebra is identified, the surgeon removes the vertebral body along with any bone spurs or disc fragments pressing on the spinal cord, while carefully preserving the bony arch that surrounds and protects the cord from behind.
With the vertebral body gone, a structural gap remains that needs to be filled and stabilized. The surgeon places a graft or cage into the space. Options include bone taken from the patient’s own hip (autograft), donor bone (allograft), or synthetic cages made from titanium mesh or other materials. These cages are sometimes expandable, allowing the surgeon to adjust the height in place for a more precise fit. Metal plates and screws are then attached to the vertebrae above and below the graft to hold everything stable while fusion occurs.
Reconstruction Options After Bone Removal
The choice of graft material matters because it needs to bear the weight of the head and spine while encouraging new bone to grow across the gap. The ideal implant provides immediate structural support, resists the downward load of body weight, and makes solid contact with the vertebrae above and below to promote fusion.
Autograft bone from the patient’s hip has long been the standard, but it creates a second surgical site and can cause pain at the donor location. For this reason, titanium mesh cages packed with local bone graft have become widely used. Standard (non-expandable) mesh cages must be carefully cut to match the exact size of the defect, and a poor fit can lead to implant misalignment. Expandable cages address this problem by allowing height adjustment after they’re already positioned in the spine, which can also help correct spinal curvature.
Success Rates and Long-Term Outcomes
Long-term studies show encouraging results for cervical corpectomy. In one study tracking patients with cervical myelopathy, the average neurological function score improved significantly after surgery, with an overall recovery rate of about 62.5%. That number reflects real functional gains: patients regaining hand dexterity, walking more steadily, and experiencing less numbness.
Fusion rates are high. Roughly 96 to 97% of patients achieve solid bone fusion, and that rate holds whether the surgeon uses the patient’s own bone or a titanium mesh cage. The consistency across graft types gives surgeons flexibility to choose the option that best suits each patient without sacrificing long-term stability.
Potential Risks and Complications
Like any major surgery, corpectomy carries risks. The most commonly discussed complications include:
- C5 nerve root palsy: Weakness in the deltoid muscle (the muscle capping the shoulder), which can make it difficult to raise the arm. This occurs in roughly 0 to 5% of cases depending on the technique used, and it typically improves over weeks to months.
- Hardware or implant failure: Plates, screws, or cages can shift or loosen, occurring in approximately 3 to 9% of cases. This sometimes requires a second surgery to correct.
- Graft dislodgement: The bone graft or cage can migrate out of position, reported in up to about 4% of cases with some techniques.
- Dural tears: Small tears in the membrane surrounding the spinal cord happen in roughly 2% of cases and are usually repaired during the same surgery.
Other possible complications include difficulty swallowing (common in the first few days but usually temporary), hoarseness from irritation of a nerve near the surgical site, infection, and bleeding. Multi-level corpectomies carry higher risks than single-level procedures because of the greater structural disruption involved.
Recovery Timeline
Most patients leave the hospital within one to three days after surgery, though more complex cases may require a longer stay. You’ll likely be fitted with a semirigid neck brace, which is typically worn for about six weeks to limit movement while early healing takes place.
During the first few weeks, you should avoid lifting anything heavy or doing any high-impact activities. Physical therapy usually begins about two weeks after surgery, though some patients wait longer depending on the complexity of their procedure. Early therapy focuses on gentle range of motion and gradually building neck and shoulder strength.
For people with desk jobs or relatively sedentary daily routines, a full recovery can take a few weeks. For athletes or those with physically demanding jobs, returning to full activity typically takes three to six months. Bone fusion itself is a slower process, continuing for several months after surgery even as you return to normal activities. Your surgeon will monitor fusion progress with periodic imaging.