Presentation
A long history of left knee discomfort.
Patient Data
Cruciate and collateral ligaments appear intact.
The menisci appear also intact without evidence of tear.
There are two big large osteochondral defects seen at the lateral aspect of the lateral femoral condyle and inferiorly with two pieces of bone and cartilage separated and appear as loose bodies in the medial aspect of the joint space in the suprapatellar bursa.
The findings are consistent with osteochondritis dissecans.
Joint effusion is seen extending into the suprapatellar bursa.
No evidence of osteoarthritis or chondromalacia patellae.
Case Discussion
This young patient has a long history of left knee discomfort. Left knee MRI was requested demonstrating low signal loose bodies outlined by high signal fluid consistent with osteochondritis dissecans stage IV.
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