Hypertrophic synovium, synovitis, villous hyperplasia, tears of ligamentous tissue and lesions of cartilage were arthroscopically visualized and resected or renovated.

• 关节镜下见到不同程度的滑膜增生、肥厚,韧带的撕裂或软骨损伤，均在关节镜下予以切除并清理关节。