Blasier R D, Monson R C
J Pediatr Orthop. 1987 Mar-Apr;7(2):215-7. doi: 10.1097/01241398-198703000-00022.
A case of spondylolysis occurring immediately above a posterolateral lumbar spinal fusion in a 12-year-old girl is described. This case illustrates a potential problem of stress concentration at the pars interarticularis, previously only described after posterior interlaminar fusion.