胫侧副韧带与内侧半月板的关系解剖研究及临床意义

目的 为胫侧副韧带（tibial collateral ligament, TCL）和内侧半月板（medial meniscus, MM）损伤的诊断及关节镜下治疗提供解剖学基础。 方法 对18个成人膝关节标本进行解剖，观察TCL与MM的解剖形态及二者之间的关系。 结果 TCL深层在后斜韧带和前内侧包膜之间与MM的体部和后角处形成宽而牢固的连接，两者接触长度（8.12±0.44）mm，接触面积（36.39±4.45）mm2，其可维系MM在膝关节屈伸运动时保持稳定。 结论 TCL与MM是膝关节内侧稳定的重要组成结构，深入了解其形态特点，为关节镜下TCL与MM损伤的诊治及解剖修复有重要意义。

Anatomical study and clinical significance on tibial collateral ligament of the knee and medial meniscus

Objective To provide anatomical basis for the diagnosis and treatment of tibial collateral ligament (TCL) and medial meniscus (MM) injuries under arthroscopy. Methods Eighteen adult cadaver knee specimens were dissected to observe the anatomical morphology of TCL and MM and the relationship between them. Results Deep layer of TCL formed a wide but firm connection between the posterior oblique ligament and the anterior medial capsule and the body and posterior angle of the MM. The contact length and contact area of the two were (8.12±0.44) mm and (36.39±4.45) mm2, respectively, which could maintain the stability of the MM during flexion and extension of the knee. Conclusions The TCL and MM are important components for the stability of medial knee joint. In-depth knowledge of their morphological characteristics are of great significance for the diagnosis, treatment and anatomical repair of TCL and MM injuries under arthroscopy.