A Comparative Study of Total Knee Arthroplasty and Unicondylar Knee Arthroplasty in the Treatment of Knee Osteoarthritis

Figure 1

Patient, female, 53 years old. Pain and limited movement for more than 4 years, osteoarthritis of the right knee, unicondylar knee arthroplasty of the right knee. (a, b) Preoperative anteroposterior and lateral view of right knee joint. DR: the right knee joint was composed of complete bone, some bone edges showed hyperosteogeny, intercondylar protuberant hyperplasia, joint space existed, and there were no obvious abnormalities in surrounding soft tissues. Degeneration of the right knee. (c) Preoperative full-length X-ray of lower limbs showed narrowing of the medial joint space of the right knee joint and valgus deformity. (d, e) Anteroposterior and lateral radiographs of the right knee joint after partial replacement of the right knee joint: the replacement was in place and the joint space was called. (f) Postoperative full-length X-ray of lower limbs showed that the knee valgus deformity was corrected, the prosthesis was in a good position, and the force line of lower limbs was restored.

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