Various osteotomies are useful in making a rigid deformity flexible enough for realignment in coronal and sagittal plane. This article defines the osteotomies and their usefulness in treatment of specific rigid deformities. The pedicle subtraction osteotomy and vertebral column resection used in treating rigid deformities are described in detail.
Key points
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Rigid deformities of the spine pose a significant challenge to the even the most experienced spine surgeon.
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The definition of a rigid deformity is one that does not correct more than 50% on bending or traction radiographs.
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There are many surgical options for the treatment of rigid spinal deformity.
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Understanding the character of the curve can help surgeons choose the most appropriate surgical corrective.
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