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  Indian J Med Microbiol
 

Figure 2: Preoperative standing lateral radiographs of patients with incremental deformity, moving distal to proximal up the spine from left to right. “P” is a 61-year-old male with only pelvic retroversion (pelvic tilt = 24.1°): his C2 slope = 8.4° and C0-C2 Cobb angle = 0.85°. “Lumbopelvic” is a 71-year-old female with pelvic retroversion (pelvic tilt = 25.7°) and lumbopelvic mismatch (pelvic tilt-lumbar lordosis = 17.4°): her C2 slope = 2.29° and C0-C2 Cobb angle = 2.99°. “TL” is a 74-year-old female with abnormal pelvic tilt = 39.4°, PI-lumbar lordosis mismatch = 36.1°, and T4-T12 hyperkyphosis = 52.3°: her C2 slope = 7.50° and C0-C2 Cobb angle = 2.16°. “C” is a 71-year-old female with abnormal pelvic tilt = 32.1°, PI-lumbar lordosis mismatch = 12.6°, T4-T12 hyperthoracic kyphosis = 45.9°, and C2-C7 hyperkyphosis = 17.2°: her C2 slope = 27.3° and C0-C2 = 26.6°. The greatest reciprocal changes in upper cervical alignment can be seen in patient “C,” where concomitant TL-adult spinal deformity and subaxial malalignment are found

Figure 2: Preoperative standing lateral radiographs of patients with incremental deformity, moving distal to proximal up the spine from left to right. “<i>P</i>” is a 61-year-old male with only pelvic retroversion (pelvic tilt = 24.1°): his C2 slope = 8.4° and C0-C2 Cobb angle = 0.85°. “Lumbopelvic” is a 71-year-old female with pelvic retroversion (pelvic tilt = 25.7°) and lumbopelvic mismatch (pelvic tilt-lumbar lordosis = 17.4°): her C2 slope = 2.29° and C0-C2 Cobb angle = 2.99°. “TL” is a 74-year-old female with abnormal pelvic tilt = 39.4°, PI-lumbar lordosis mismatch = 36.1°, and T4-T12 hyperkyphosis = 52.3°: her C2 slope = 7.50° and C0-C2 Cobb angle = 2.16°. “C” is a 71-year-old female with abnormal pelvic tilt = 32.1°, PI-lumbar lordosis mismatch = 12.6°, T4-T12 hyperthoracic kyphosis = 45.9°, and C2-C7 hyperkyphosis = 17.2°: her C2 slope = 27.3° and C0-C2 = 26.6°. The greatest reciprocal changes in upper cervical alignment can be seen in patient “C,” where concomitant TL-adult spinal deformity and subaxial malalignment are found