Fig. 1From: Unplanned revision spinal surgery within a week: a retrospective analysis of surgical causesComputed tomography images of nerve root irritation. This patient had persistent pain in the right thigh and calf after L2–5 laminectomy, transpedicular screw fixation, and interbody fusion. a Sagittal and b cross-sectional postoperative computed tomography showed that the right L5 screw had been misplaced and cut out of the pedicle, causing right L5 nerve root irritationBack to article page