Bilateral Spondylolysis of Lumbar Vertebra Secondary to Long Spinal Fusion for Idiopathic Scoliosis: A Case Report and Review of Literature.

These findings suggested that distal mechanical stress might cause spondylolysis of the distal vertebra following long fusion for scoliosis. Surgeons should keep instrumentation as short as possible and avoid choosing a low lumbar as LIV when they decide on the fusion levels.