Department of Biomedical Engineering, Steadman Philippon Research Institute, Vail, CO 81657, USA.
Am J Sports Med. 2012 Oct;40(10):2342-7. doi: 10.1177/0363546512457642. Epub 2012 Sep 7.
The clinical importance of the meniscal posterior root attachments has been recently reported by both biomechanical and clinical studies. Although several studies have been performed to evaluate surgical techniques, there have been few studies on the quantitative arthroscopically pertinent anatomy of the posterior meniscal root attachments.
The posterior root attachments of the medial and lateral menisci are consistent among specimens, and repeatable quantitative measurements using arthroscopically pertinent landmarks are achievable.
Descriptive laboratory study.
Twelve nonpaired, fresh-frozen cadaveric knees were used. The positions of the posterior root attachments of the medial and lateral menisci were identified, and 3-dimensional measurements to arthroscopically pertinent landmarks were performed using a coordinate measuring system.
The direct distance (±standard error of the mean) between the medial tibial eminence apex and the medial meniscus posterior root attachment center was 11.5 (±0.9) mm. When split into directional components along the knee's main axes, the medial meniscus posterior root attachment center was 9.6 (±0.8) mm posterior and 0.7 (±0.4) mm lateral along the bony surface from the medial tibial eminence apex. It was located 3.5 (±0.4) mm lateral from the medial articular cartilage inflection point and directly 8.2 (±0.7) mm from the nearest tibial attachment margin of the posterior cruciate ligament. The direct distance between the lateral tibial eminence apex and the lateral meniscus posterior root attachment center was 5.3 (±0.3) mm. When it was split into directional components using the knee's main axes, the lateral meniscus posterior root attachment center was 4.2 (±0.4) mm medial and 1.5 (±0.7) mm posterior from the lateral tibial eminence apex. The lateral meniscus posterior root attachment center was located 4.3 (±0.5) mm medial from the nearest articular cartilage margin and directly 12.7 (±1.1) mm from the nearest margin of the tibial attachment of the posterior cruciate ligament.
This quantitative study reproducibly identified the posterior root attachment centers of the medial and lateral menisci in relation to arthroscopically pertinent landmarks and guidelines.
These data can be directly applied to assist in anatomic meniscal root repairs.
生物力学和临床研究最近都报道了半月板后根附着的临床重要性。虽然已经进行了几项研究来评估手术技术，但对半月板后根附着的定量关节镜相关解剖结构的研究很少。
内侧和外侧半月板的后根附着在标本之间是一致的，并且可以使用关节镜相关的标志进行可重复的定量测量。
描述性实验室研究。
使用 12 个非配对的新鲜冷冻尸体膝关节。确定内侧和外侧半月板后根附着的位置，并使用坐标测量系统对关节镜相关标志进行三维测量。
内侧胫骨隆起顶点与内侧半月板后根附着中心之间的直接距离（平均值的标准误差）为 11.5（±0.9）mm。当沿膝关节的主要轴将其分解为方向分量时，内侧半月板后根附着中心位于胫骨隆起顶点后 9.6（±0.8）mm 处，沿骨面外侧 0.7（±0.4）mm。它位于内侧关节软骨拐点外侧 3.5（±0.4）mm 处，直接距离后交叉韧带胫骨附着缘最近处 8.2（±0.7）mm。外侧胫骨隆起顶点与外侧半月板后根附着中心之间的直接距离为 5.3（±0.3）mm。当使用膝关节的主要轴将其分解为方向分量时，外侧半月板后根附着中心位于胫骨隆起顶点内侧 4.2（±0.4）mm 和后 1.5（±0.7）mm。外侧半月板后根附着中心位于距最近关节软骨缘内侧 4.3（±0.5）mm 处，直接距离后交叉韧带胫骨附着缘最近处 12.7（±1.1）mm。
这项定量研究可重复地确定了内侧和外侧半月板的后根附着中心与关节镜相关的标志和指南。
这些数据可以直接应用于辅助解剖半月板根修复。
