Coronoidectomy was performed and the arthroplasty was accomplished at the level of the condylar neck. 方法是在颊棚作切线，翻开软组织，将喙状突切断，拨到内侧，然后在髁颈的高度进行关节成形术。
Arthroscopic assessment can be helpful, but there are no data to indicate whether it is necessary before patellofemoral arthroplasty. 关节镜检评估可能有用，但是没有数据表明髌骨股骨关节成形术前是否有必要。
