Fig. 2From: Is local autogenous morselized bone harvested from decompression through a posterior-transforaminal approach sufficient for single-level interbody fusion in the lower lumbar spine?A series of post-operative computed tomography (CT) images of a 52-year-old female patient with L4–5 spinal stenosis reflecting the fusion progress over time. A Post-operative CT scan showing the fusion area; B the fusion grade of 3 at postoperative 6 months; C fusion grade of 4 at postoperative 12 months; and (D) fusion grade of 5 at the last follow-upBack to article page