Abstract
This case report illustrates a very rare problematic after Total Knee Arthro-plasty (TKA), yet that you have to think of if posterolateral pain appears. The postoperative outcome of our patient was initially very good, but pain appeared after 6 weeks, in an atypical mode, that couldn’t be attributed to the most common differential diagnosis. The characteristics of the symptoms directed us to a mechanical cause and the solution finally came up by means of a radiography: the images showed an impingement between one of the tibial tuberosity fixation screw’s head and the fibular neck. What couldn’t be seen on the primary images was an irritating callus, that was detected at 3 months postoperatively. The pain disappeared after surgical removal of the screw. Keywords: Total knee arthroplasty; Posterolateral knee pain; Pain after total knee ar-throplasty; Tibial screw impingement.
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