Fig. 3From: Quantitative analysis of paraspinal muscle atrophy after oblique lateral interbody fusion alone vs. combined with percutaneous pedicle screw fixation in patients with spondylolisthesisIatrogenic paravertebral muscle injury at fusion cage level (a); pedicle screw level (b) and adjacent segment level (c). A large number of non-muscle tissues (high signal area in the blue circle) occupying the original muscle position 2 years after surgery. The white arrow indicates the pedicle screw. The orange arrow indicates the intervertebral cageBack to article page