ORTHO
BULLETS
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Review Question - QID 6403

TKA Patellofemoral Alignment QID: 6403 (SAE08OS.41)
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QID 6403 (Type "6403" in App Search)
A medial parapatellar approach is used to perform a total knee arthroplasty, including patellar resurfacing. The patient now reports anterior knee pain with stair climbing and rising from a chair. Radiographs show lateral subluxation of the patella on the Merchant view. Which of the following is a potential cause for the problem?
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