Fragility Fractures of the Pelvis With Acetabular and Femoral Neck Fractures in Elderly Patients.

Fragility fractures of the pelvis (FFP) in the elderly have been on the rise. Conventional treatment options have often been conservative. However, in recent years, osteosynthesis has been recommended in order to achieve early ambulation. Surgical treatment was performed for combined FFP, femoral neck and acetabular fractures in elderly patients who did not have a clear history of trauma. In this case report, we describe two cases of combined fractures of FFP. Patient 1 was diagnosed with a combined fracture of the femoral neck and acetabulum, classified according to Rommens classification as III-c, and following osteosynthesis for a posterior column fracture, underwent allogenic bone grafting and total hip arthroplasty (THA) with a Burch-Schneider cage. Patient 2 was diagnosed with a combined fracture of the femoral neck and acetabulum, classified according to Rommens classification as II-b. The patient underwent THA with an allogenic bone graft and a Kerboull-type plate. Surgical treatment with THA using an acetabular reinforcement device has been successful in rare cases with combined fractures of the FFP, femoral neck and acetabulum.