Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed
Is a transcondylar fracture that splits the articular cartilage from the adjacent bone leaving a flap of cartilage attached at one edge or a free fragment. If the fragment is isolated from the vascular supply it becomes necrotic. Detachment of the fragment to become a loose body is rare in children.
Eighty-five percent involve the medial condyle and it usually extends into the intercondylar notch. On the lateral view the defect is located anterior to intercondylar tibial eminence, unlike the normal variant which is located posterior to the intercondylar tibial eminence.
See References Chapter.
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