Presentation
Chronic medial knee pain treated with reduced weight bearing and no sports
Patient Data
Age: 19
Gender: Male
From the case:
Healing OCD lesion medial femoral condyle
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Coronal T2 fat sat

Typical lesion of osteochondritis dissecans on the lateral aspect of the medial femoral condyle in September 2011. Substantial edema in the bone marrow of the medial femoral condyle especially deep to the dissecans fragment but no fluid tracking beneath the fragment to indicate separation (ie no features of instability).
From the case:
Healing OCD lesion medial femoral condyle
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Coronal T2 fat sat

OCD lesion treated conservatively with almost complete healing in 9 months. Note overlying articular cartilage has always been intact.