Postoperative Change of the Cross-Sectional Area of Back Musculature After 5 Surgical Procedures as Assessed by Magnetic Resonance Imaging

Many investigators have reported that persistent low back pain may occur after posterior surgical intervention, and studies have investigated the histologic and histochemical changes in back muscle after posterior lumbar spine surgery. The purpose of the current study is to compare the pre- and postoperative cross-sectional area of the back musculature among 5 surgical groups including anterior lumbar interbody fusion, which has no direct...