x-ray of lumbosacral spine: bony ankylosis of vertebral bodies at L4 and L5
x-ray of lumbosacral spine: bony ankylosis of vertebral bodies at l4 and l5
x-ray of lumbosacral spine: bony ankylosis of vertebral bodies at L4 and L5
x-ray of lumbosacral spine: bony ankylosis of vertebral bodies at l4 and l5