What is the difference between a laminectomy and a laminotomy?
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A laminectomy is an aggressive operation where the entire lamina or back side of the spine is removed. It is performed for very severe cases of spinal stenosis, revision spine surgery, fractures, tumors, massive herniated discs, and other problems such as a spondylolisthesis.
Further, it is commonly performed as an adjunct to spinal fusion surgery where the surgeon can visualize the entire spinal canal in order to be sure that the implants and screw instrumentations systems are in their proper places.
A laminectomy requires detaching the spinal muscles from the bone as well as removing certain ligaments connecting adjacent vertebrae together. This operation has the potential of making the spinal motion segment unstable if too much bone is removed requiring a spinal fusion to be then performed.
Laminectomy can treat the following conditions: