| A patient presents with a history of a right acetabular fracture treated with extensive plate fixation 3 years ago and now has severe posttraumatic hip arthritis. Which of the following would be a contraindication for an anterior approach to total hip arthroplasty? |
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- Large posterior column defect/nonunion
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- Extensive scar tissue enveloping the sciatic nerve
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- Posterior wall fixation screws penetrating the joint
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- Protrusio and likely incarceration of the femoral head