What it is
Laminoplasty is a posterior (back-of-the-neck) approach that expands the spinal canal by hinging the laminae open like a door — one side is cut through, the other is scored to create a hinge, and the laminae are held in the open position with small plates or sutures. This enlarges the canal, relieving pressure on the spinal cord, while leaving the laminae in place rather than removing them entirely.
The most common variants are "open-door" (one side hinged, the other cut through) and "French-door" (both sides hinged, opened symmetrically from the midline).
When laminoplasty is preferred over other approaches
The choice among anterior approaches (ACDF, corpectomy), posterior laminectomy with fusion, and laminoplasty depends on several factors:
- Laminoplasty is favored for multilevel myelopathy with good cervical lordosis, OPLL, or when preserving motion and avoiding fusion hardware is a priority
- Anterior approaches are preferred when compression is primarily from the front (disc, osteophyte) at one or two levels
- Laminectomy with fusion may be preferred over laminoplasty when there is loss of lordosis or instability
Laminoplasty preserves some motion at the treated levels, which is its advantage over laminectomy-and-fusion in straightforward multilevel cases.
What to expect
Laminoplasty typically requires one to two nights in the hospital. Axial neck pain — muscle discomfort at the operative site — is common in the early recovery period and generally improves over weeks. C5 nerve root palsy (temporary shoulder or deltoid weakness) is a known complication of posterior cervical decompression and occurs in a small percentage of cases.
Neurological improvement after laminoplasty follows the same pattern as other myelopathy surgeries — leg symptoms often improve faster than fine hand function, and recovery continues for months to a year after surgery.