Triradiate Injury

Triradiate injury
Complications – Triradiate Cartilage Injury

– rare occurrence; occurs more often with crush injury to the triradiate rather than a fracture

– if injured during growth, there is great potential for early closure and development of a shallow acetabulum

– more common in children under 10

– can lead to significant incongruity of the hip and subluxation

– requires acetabular reconstruction

– femoral head may grow to expand and extrude laterally, riding up along the superior lip of the shallow acetabulum and wearing it out.

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