Intraoperative Abdominal Penetration of the Lag Screw: A Rare Complication During Proximal Femoral Nail Anti-Rotation Surgery.

Although the proximal femoral nail anti-rotation (PFNA) is accompanied by several benefits, using the nail is technically challenging and may pose some errors, leading to osteosynthesis failure. Here, we report a critical presentation of an uncommon side effect of PFNA surgery. Intraoperative abdomen penetration via lag screw is a unique complication of PFNA surgery of which surgeons should be aware.