Figure 11.

Tear of the posterior medial root.

Coronal FS T2-WI at the posterior horn of the medial meniscus (A) shows disruption of the posterior medial root (black arrow) and an associated intra-osseous ganglion cyst at the intercondylar part of the posteromedial tibia (black asterisk). Coronal FS T2-WI at the body of the medial meniscus (B) shows extrusion of the medial meniscus underneath the medial collateral ligament, adjacent bone marrow edema, cartilage loss and premature osteophyte formation. Axial FS T2-WI (C) confirms the radial tear at the posterior medial root (white arrow).