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FIG 1. 85-year-old man with osteoporosis.
A, Preoperative lateral radiograph of the lumbar spine shows compression fracture of L4 with associated anterior wedging deformity. The transpedicular bone biopsy needle is in place.
B, Postoperative lateral radiograph shows considerable increase in vertebral body height, especially in the anterior (3 mm) and central (4 mm) portions.
C and D, Schematic drawings of the preoperative (C) and postoperative (D) lateral radiographs. Kyphosis is improved from 25° to 28°.
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