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

Figure 1 Surgery procedure and observations under arthroscopy. A: Mild injury of patellofemoral articular cartilage; B: II-degree injury of lateral tibial plateau cartilage and meniscus injury; C: Synovial hyperplasia; D: Intercondylar fossa notch and epiphyseal hyperplasia; E: Evaluation of the tension of the anterior cruciate ligament; F: Trimming the cartilage surface of the tibia; G: Trimming the cartilage injury of the lateral tibial plateau; H: Trimming the injury of the lateral meniscus edge; I: Cleaning the synovial folds; J: Grinding the intercondylar fossa.