1.Dorsally, the starting point is just proximal to the standard 3-4 radiocarpal arthroscopy portal.

1.背侧路时，进好接近于标准桡腕关节镜3-4号处。

2.Arthroscopy could be recommended to those who haven't got good results by arthrocentesis or those who have already had some sequelae, such as TMJ fibrous ankylosis.

2.对一些灌洗治疗无效或有后患者，关节内镜手术有优异疗效。