ORTHO
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Review Question - QID 7479

TKA Revision QID: 7479 (SAE11AN.91)
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QID 7479 (Type "7479" in App Search)
A 65-year-old woman who underwent right knee arthroplasty 12 years ago reports that she has had knee pain for the past year. Examination reveals that knee range of motion is from 0 degrees to 100 degrees. A standing AP radiograph obtained 3 years ago is shown in Figure 91a. Recent radiographs are shown in Figures 91b and 91c. Laboratory study findings include an erythrocyte sedimentation rate of 9 mm/h and a C-reactive protein level of 0.3 mg/L. What is the most likely cause of her knee pain?
  • A
  • B
  • C
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  • A
  • B
  • C