Retained distal femoral osteophyte. An infrequent cause of postoperative pain following total knee arthroplasty.

Persistent postoperative pain following total knee arthroplasty is infrequent. This case report describes an unusual cause of pain, crepitus, and effusion following total knee arthroplasty due to a retained distal femoral osteophyte. Osteophyte removal resulted in total alleviation of this patient's discomfort and swelling.