
AVN is more common in patients in the pediatric and adolescent age groups. This outcome is due to the precarious nature of the blood supply to the subchondral region of the femoral head, which does not stabilize until years after skeletal maturity, after which collateral flow develops.
For more on the epidemiology of AVN, read here.
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Cite this: James W. Pritchett, Craig C. Young. Fast Five Quiz: Can You Answer These Challenging Orthopedic Questions? - Medscape - Mar 14, 2017.
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