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Laminectomy has normally been used as a standard approach for intradural spinal tumors but this procedure is associated with spinal instability and deformity. Laminoplasty was developed to overcome these limitations. Controversies still exist regarding its actual role in preventing spinal deformity in adults. The aim of our study was to determine the impact of laminoplasty on the prevention of spinal deformity's onset or worsening in adult patients submitted to intradural spinal tumors resection.

We retrospectively reviewed the data of 43 consecutive adult patients, who underwent either laminectomy or laminoplasty for spinal intradural tumor resection, between January 2006 and May 2011. We evaluated the role of sex, spinal segment (cervical, thoracic, lumbar), tumor location (intra- or extra-medullary), procedure (laminoplasty or laminectomy), number of treated levels (≤2 vs >2), presence of pre …