Fig 4

The postoperative plain radiographs show a successful L4 wide laminectomy and transforaminal lumbar interbody fusion of L4-5 in a patient with lumbar degenerative spondylolisthesis. (Image provided courtesy of Asian Spine Journal. From Sakai T, Sairyo K, Bhatia NN, et al. MRI changes of the spinal subdural space after lumbar spine surgeries: report of two cases. Asian Spine J. 2011;5(4):262-266.)