• Neurosurg Focus · Mar 2010

    Case Reports

    Spondylolisthesis following a pedicle subtraction osteotomy. Case report.

    • Cheerag D Upadhyaya, Sigurd Berven, and Praveen V Mumaneni.
    • Department of Neurological Surgery, University of California, San Francisco, California 94143, USA.
    • Neurosurg Focus. 2010 Mar 1;28(3):E16.

    AbstractPedicle subtraction osteotomy (PSO) is a powerful technique for correcting a fixed sagittal plane deformity. The authors report the case of a 51-year-old man with a history of multiple prior lumbar operations, flat-back syndrome, thoracic kyphosis, and radiculopathy, who underwent deformity correction surgery with T3-S1 pedicle screw fixation and L-3 PSO. Progressive spondylolisthesis of the PSO segment associated with rod fracture then developed. The patient subsequently underwent anterior and posterior revision surgery. This case is a rare instance of spondylolisthesis following PSO.

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