title: Spondylolysis after spinal instrumentation in osteogenesis imperfecta.
abstract: Spondylolysis occurred distal to spinal instrumentation and fusion to a lower lumbar level in a patient with osteogenesis imperfecta. Initial extension to the sacrum may avoid this complication in patients with a weakened spinal column.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D009984:Orthopedic Fixation Devices / Q000009:adverse effects*; D010013:Osteogenesis Imperfecta / Q000150:complications / Q000601:surgery*; D012600:Scoliosis / Q000209:etiology / Q000601:surgery*; D013123:Spinal Fusion / Q000009:adverse effects* / Q000379:methods; D013168:Spondylolisthesis / Q000209:etiology*; D013169:Spondylolysis / Q000209:etiology*