The General Hospital of Shenyang Military Commanding Area, 83# Wenhua Road, 110016, Shenyang, China.
Knee Surg Sports Traumatol Arthrosc. 2011 Dec;19(12):2050-1. doi: 10.1007/s00167-011-1536-7. Epub 2011 May 10.
A case of double-layered lateral meniscus in which an accessory proximal hemimeniscus was overlying the body and posterior horn of the lateral meniscus is here reported. The accessory hemimeniscus lays marginal and parallel to the normal lateral meniscus with its periphery dissociated from the capsule and was significantly thinner and more mobile than its underlying counterpart. It was resected arthroscopically, and the patient's symptoms were significantly improved. This case demonstrates an interesting and extremely rare anatomical abnormality of the lateral meniscus.
本文报道了一例双层外侧半月板，其中一个副接近端半月软骨覆盖在外侧半月板的体部和后角上。副半月软骨位于正常外侧半月板的边缘并与其平行，其边缘与囊分离，比其下方的半月软骨薄且更具活动性。经关节镜切除后，患者症状明显改善。该病例显示了外侧半月板一种有趣且极其罕见的解剖异常。
