Fig. 3From: Applications of the scoliosis width-to-length ratio for guiding selection of the surgical approaches of degenerative lumbar scoliosisA 72 year old male patient with back pain and intermittent claudication for a year. a) preoperative radiograph showing degenerative scoliosis with 15° Cobb angle, L3/4 interval tip angle, 0.34 of W/AL. b) preoperative MRI showing L4/5 disc herniation, spinal stenosis, and degenerative L4/5 instability. c) postoperative anteroposterior radiography showing good fixation and fusion without secondary scoliosis. d) postoperative lateral radiography showing L4/5 segment fused and satisfying lumbar lordosisBack to article page