Arthroscopy combined with unicondylar knee arthroplasty for treatment of isolated unicompartmental knee arthritis: A long-term comparison

Figure 4 Images of a 60-year-old woman. a and b: Positive lateral radiographs of the knee joint showing severe stenosis in the medial compartment of the knee. The patient's symptoms were pain in the medial knee and the knee joint flexed to 140°. Unicompartmental knee arthritis was performed on both knees and the postoperative recovery was good without complications. She was discharged from the hospital after 18 d of hospitalization; C and D: Positive lateral radiographs of the knee joints taken at 3 mo after the operation; E and F: Positive lateral radiographs of the knee joints taken at 6 months after the operation; G and H: Positive lateral radiographs of the knee joints taken at 7 years after the operation. The X-rays showed partial loosening of the prosthesis. The main symptom of the patient at present was pain in the medial side of the knee joint when standing or walking, and the symptoms were not significantly improved before the operation.