Spinal Deformity Surgery
A 62-year-old male with ankylosing spondylitis presents with progressive difficulty looking forward, requiring a compensatory flexed knee gait. His chin-brow vertical angle is 45 degrees. Standing radiographs show pelvic incidence of 52 degrees, lumbar lordosis of 15 degrees, pelvic tilt of 35 degrees, and sagittal vertical axis of +18cm. Regarding spinal osteotomies and their classification:
Mark each as TRUE or FALSE
The Schwab osteotomy classification grades 1-6: Grade 1 (partial facet resection), Grade 2 (complete...
Pedicle subtraction osteotomy (PSO) involves complete posterior column resection including posterior...
Smith-Petersen osteotomy (SPO) is a three-column osteotomy that provides 20-30 degrees of correction...
Vertebral column resection (VCR) involves complete removal of all three columns including the verteb...
For this patient with severe sagittal imbalance from ankylosing spondylitis, a PSO at L3 or L2 would...
Answer the questions to see explanations
Click T (True) or F (False) for each option