Abstract
Global sagittal malalignment has been demonstrated to have correlation with clinical symptoms and is a key component to be restored in adult spinal deformity. In this article, various types of sagittal balance-correction osteotomies are reviewed primarily on the basis of the 3 most commonly used procedures: Smith-Petersen osteotomy, pedicle subtraction osteotomy, and vertebral column resection. Familiarity with the expected imaging appearance and commonly encountered complications seen on postoperative imaging studies following correction osteotomies is crucial for accurate image interpretation.
Highlights
ObjectivesThe purpose of this article was to summarize the 3 most widely used types of sagittal balance-correction osteotomies: Smith-Petersen osteotomy (SPO), pedicle subtraction osteotomy (PSO), and vertebral column resection (VCR), with an additional brief discussion of their derivatives or related uncommon procedures
ABBREVIATIONS: bone-discbone osteotomy (BDBO) ϭ bone-disc-bone osteotomy; PSO ϭ pedicle subtraction osteotomy; SPO ϭ Smith-Petersen osteotomy; SVA ϭ sagittal vertical axis
There are many conditions that can lead to spinal deformity, including trauma, cancer, and osteoporosis and congenital, postsurgical, and idiopathic causes
Summary
The purpose of this article was to summarize the 3 most widely used types of sagittal balance-correction osteotomies: Smith-Petersen osteotomy (SPO), pedicle subtraction osteotomy (PSO), and vertebral column resection (VCR), with an additional brief discussion of their derivatives or related uncommon procedures
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