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A and B:Preoperative whole-spine radiographs show a high LL-PI mismatch (LL 8°, PT 46°, and PI 68°) and S1 lumbarization. C: Preoperative reconstructed sagittal CT image shows fusion of L5–6. D and E:Postoperative whole-spine radiographs 1 week after L2–5 LLIF, L6–S1 PLIF, and temporary PPS fixation as a first surgery, resulting in an LL of 25° and a PT of 40°.
