Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

URL of this page: //medlineplus.gov/ency/presentations/100121.htm

Spinal fusion - series—Procedure: Posterolateral gutter fusion

Procedure - Posterolateral gutter fusion

Overview

In a posterolateral gutter fusion procedure, the spine is approached from the back. Bone graft is taken from the pelvis and laid out in the posterolateral portion of the spine that is to be fused. The back muscles hold the graft in place until it fuses with the vertebrae. A fusion will setup within three months and will continue to get stronger for one to two years.

Review Date 10/15/2023

Updated by: C. Benjamin Ma, MD, Professor, Chief, Sports Medicine and Shoulder Service, UCSF Department of Orthopaedic Surgery, San Francisco, CA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.