Diagnosis based on the lumbar spine x-ray given below is: (A) Scoliosis, (B) Kyphosis, (C) Spondylolisthesis, (D) Spondylolysis
Answer is C. Spondylolisthesis Spondylolisthesis - Forward slip of one veebra over the other. Most common at L5 - S1 level. When spondylolysis progresses to slip of veebral body, spondylolisthesis results X-ray lumbar spine Oblique view shows Scotty dog with a broken neck appearance. AP view shows Napolean hat sign Ref: Maheshwari 6e pg 284.