Spinal surgery is sometimes performed to remove a herniated disc. If more than one disc is removed the spine can become unstable, and a procedure to fuse the spine together is needed. The spine can be fused with with bone and plates, rods, or special metal cages. The bone may be taken from the patient's body, usually from the hip.
Review Date 9/8/2014
Updated by: C. Benjamin Ma, MD, Assistant Professor, Chief, Sports Medicine and Shoulder Service, UCSF Department of Orthopaedic Surgery, San Francosco, CA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.