• Eyal Behrbalk, Ofir Uri, Jonathan A Clamp, Marcus Rickert, and Bronek Maximilian Boszczyk.
• The Centre for Spinal Studies and Surgery, Nottingham University Hospitals, Queen's Medical Centre Campus, Nottingham, UK, eyalbehrbalk@yahoo.com.
• Eur Spine J. 2015 Feb 1;24(2):234-41.

BackgroundCorrecting the chest wall deformity is an important goal of scoliosis surgery. A prominent rib hump deformity may not be adequately addressed by scoliosis correction alone. It has been shown that costoplasty in conjugation with scoliosis correction and instrumented spinal fusion is superior to spinal fusion alone in addressing the chest wall deformity. In cases of severe rib hump deformity unilateral convex side costoplasty alone might not adequately restore thoracic cage symmetry necessitating for additional concave side rib cage reconstruction.Case ReportA 16-year-old male with adolescent idiopathic scoliosis and a sharp, cosmetically unacceptable, prominent rib hump (razorback deformity) underwent scoliosis correction with posterior spinal fusion and bilateral costoplasty. The convex-sided ribs were resected and used for concave-sided rib reconstruction. The rib hump height was reduced from 70 mm before the procedure to 10 mm after the procedure and the apical trunk rotation was reduced from 36° to 5°, respectively. Solid spinal fusion and ribs union was achieved. The patient remained very satisfied with no loss of correction at 2-year postoperative follow-up.ConclusionBilateral costoplasty in conjugation with scoliosis correction may provide a safe and effective method for the treatment of severe rib cage deformities associated with thoracic scoliosis. It should be considered in the presence of prominent rib hump deformity, where scoliosis correction alone or with unilateral costoplasty is unlikely to provide adequate correction.

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