Table 3 Anatomical landmarks with corresponding visibility by the 30° optic and the needle arthroscope
Medial compartment | Central compartment | Lateral compartment | Patellofemoral compartment | ||||
|---|---|---|---|---|---|---|---|
30° optic | needle arthroscope | 30° optic | needle arthroscope | 30° optic | needle arthroscope | 30° optic | needle arthroscope |
Posterior horn of the medial meniscus | Intercondylar region (ACLa/ PCLb) | Posterior horn of the lateral meniscus | Femoral trochlea | ||||
4.87 | 4.90 | 5.0 | 5.0 | 5.0 | 4.73 | 5.0 | 4.97 |
Root of the posterior horn of medial meniscus | Tibial insertion ACL with ligamentum transversum | Root of the posterior horn of lateral meniscus | Patellofemoral joint | ||||
4.85 | 4.90 | 5.0 | 5.0 | 5.0 | 4.73 | 5.0 | 4.53 |
Medial meniscus with pars intermedia and anterior horn | Tibial insertion of the PCL | Anterior horn of the lateral meniscus | Medial patellar rim with medial trochlear rim | ||||
5.0 | 5.0 | 5.0 | 4.98 | 5.0 | 5.0 | 5.0 | 4.85 |
Medial recess | Femoral insertion of the ACL | Lateral joint space with popliteus tendon | Lateral patellar rim with lateral trochlear rim | ||||
5.0 | 4.90 | 5.0 | 5.0 | 5.0 | 4.93 | 5.0 | 4.90 |
Posteromedial compartment / dorsomedial recessus | Popliteus tendon | Patellar apex and central trochlea | |||||
5.0 | 4.90 | 5.0 | 4.86 | 5.0 | 4.98 | ||
Suprapatellar recess | |||||||
5.0 | 4.83 | ||||||