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A 42-year-old man had fallen at a construction site. He visited the emergency room with back pain as his main complaint. (A) Preoperative plain radiographs showed a burst fracture at L1. Preoperative kyphosis angle, regional kyphosis angle, and sagittal index were 28 degrees, 28 degrees and 24 degrees, respectively. (B) Axial CT demonstrated 45% canal compromise.
