Legg-Calvé-Perthes disease

A rare disorder characterized by uni- or bilateral avascular necrosis (AVN) of the femoral head in children.

Knee pain

An unpleasant sensation characterized by physical discomfort (such as pricking, throbbing, or aching) localized to the knee.


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PMID (PMCID)
22696637
 MALE
Delayed diagnosis of traumatic hip dislocation mimicking Perthes disease in a child.
Singhal R, Perry D, Cohen D, Bruce C.
BMJ Case Rep. 2011;2011:.
This case is useful in highlighting that (a) hip dislocation may occur in children with relatively trivial mechanisms, (b) knee pain often indicates an underlying hip pathology and (c) traumatic AVN follows a similar course to Perthes disease and therefore may be management should be tailored in a similar manner to achieve containment within the acetabulum.