Osteochondritis dissecans of the knee

Case contributed by Dr Ahmed Abd Rabou

Presentation

Knee pain, swelling and locking following trauma

Patient Data

Age: 17 years old
Gender: Male
Modality: MRI

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

Case Discussion

Differential diagnoses include insufficiency and osteochondral fracture.

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Case Information

rID: 22652
Case created: 14th Apr 2013
Last edited: 30th Sep 2016
Inclusion in quiz mode: Included

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