ORTHO
BULLETS
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Review Question - QID 220093

THA Acetabular Screw Fixation Acetabular Screw Placement and Safe Zones Quadrant QID: 220093 (SBQ24HK.90)
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QID 220093 (Type "220093" in App Search)
A 76-year-old male undergoes left total hip arthroplasty for osteoarthritis. Intraoperatively, the acetabular component is observed to have poor purchase resulting in the surgeon electing to place two transacetabular screws to improve fixation. Postoperatively, gait analysis shows the patient extending his trunk during a left-sided heel strike. What quadrant in figure A was the screw most likely placed?
  • A
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  • A