This procedure is performed through an incision on the lower back. The surgeon removes a section of bone, called the lamina, from one or more vertebrae. This relieves pressure on the spinal cord and nerve roots caused by stenosis (a narrowing of the spinal canal).

  1. laminectomy-1Removing the Spinous Process
    First, the surgeon removes the spinous process (the portion of the vertebra that protrudes furthest from the back of the spine).These are the bones that you feel when you touch the middle portion of your lower back.
  2. Removing the Lamina
    The surgeon removes the lamina (the portion of the vertebra that covers the nerve roots and spinal cord). Removing the damaged lamina opens up the spinal canal, taking pressure off the nerve.
  3. Clearing Bone Fragments
    There still may be some pinching from pressure within the area where the nerve root exits the spine, called the nerve foramina. The surgeon clears away any bone fragments that are pressing on the nerve roots.

End of Procedure

The spinal canal is now clear of any bone fragments, which relieves pressure from the nerve roots and spinal cord. The surgeon checks the nerve roots to make sure they are no longer being oinched.  ©2005 Swarm Interactive.  Unauthorized duplication of this material is strictly forbidden.