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NFlex system. A 67-year-old female had multilevel spinal stenosis with severe disc space narrowing at L5-S1. She underwent hybrid surgery, NFlex dynamic stabilization surgery at L4-5 and TLIF with PSF at L5-S1. Polycarbonate urethane (PCU) spacer was surrounded by a central titanium ring (arrow). Preoperative anteroposterior (A) and lateral (B) radiographs and postoperative 6-year anterolateral (C) and lateral (D) radiographs are shown.
