Osteochondritis dissecans of the knee
Knee pain, swelling and locking following trauma
Loading Stack -
0 images remaining
Two osteochondral fragments are seen, one of them is seen in situ and involve the posterolateral aspect of medial femoral condyle, the other one is displaced anteriorly and likely arise from the weight bearing area of the medial femoral condyle. Both of them are unstable segments.
PHMM contusion and large joint effusion
1 case question available
Differential diagnoses include insufficiency and osteochondral fracture.
- Stoller D, Tirman P, Bredella M et-al. Diagnostic imaging. AMIRSYS. (2004) ISBN:0721629202. Read it at Google Books - Find it at Amazon
- Kijowski R, Blankenbaker DG, Shinki K et-al. Juvenile versus adult osteochondritis dissecans of the knee: appropriate MR imaging criteria for instability. Radiology. 2008;248 (2): 571-8. Radiology (full text) - doi:10.1148/radiol.2482071234 - Pubmed citation