Intra-articular ganglion cyst of the knee
Chronic knee pain while jogging and running.
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2 cm cyst in the posterior intercondylar notch, mainly surrounding the pcl and Humphrey's ligament.
Ganglion cysts about the knee are rarely found in an exclusively intraarticular location. Cysts in the intercondylar notch are thought to arise from the synovial lining of Hoffa's fat pad or the cruciate ligaments. In this case, there seems to no association with mucoid degeneration of the cruciate ligaments.