title: Acquired spondylolysis after posterolateral spinal fusion.
abstract: 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.
mesh_terms: D002648:Child; D005260:Female; D006801:Humans; D008159:Lumbar Vertebrae / Q000293:injuries* / Q000601:surgery; D011183:Postoperative Complications; D011859:Radiography; D013123:Spinal Fusion; D013168:Spondylolisthesis / Q000209:etiology* / Q000601:surgery; D013169:Spondylolysis / Q000000981:diagnostic imaging / Q000209:etiology*