Osteochondral fracture

Case contributed by Dr Ian Bickle

Presentation

School girl. Active in sport. Twisting injury. Pain and intermittent locking.

Patient Data

Age: 15
Gender: Female
Modality: MRI

Osteochondral defect on the lateral femoral condyle.

A 7mm bone fragment lies anteriorly in the lateral joint space.

The remainder of the knee is normal.

The intra-articular loose body (circle) corresponds with the osteochondral defect (arrow) on the lateral femoral condyle.

Case Discussion

Osteochondral defects are focal areas of articular damage with cartilage damage and injury of the adjacent subchondral bone.

MRI is the modality of choice, with high sensitivity and specificity for the detection of separation of the osteochondral fragment

Osteochondral injuries are staged from I - V.   The displaced osteochondral fragment makes this a stage IV injury,

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Case Information

rID: 38164
Case created: 9th Jul 2015
Last edited: 6th Feb 2016
Inclusion in quiz mode: Included

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