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AP radiographs show the left hip of Patient 23 (A) with an aseptic failed primary cemented Charnley THA (Thackray, Leeds, UK), (B) after revision surgery with acetabular reconstruction using a GAP reinforcement ring and impacted bone allografts, (C) with intrapelvic protrusio of the failed ring and a surgically treated iliac artery pseudoaneurysm, and (D) 2 years after the second revision (two-stage protocol) with a Trabecular Metal™ cup and an uncemented modular stem.
