The unusually high incidence of LCPD in a single family suggests potential genetic or shared environmental factors in its etiology.
This is a case report of a family in which Legg-Calvé-Perthes disease (LCPD) occurred in four members. All the patients were male and between the ages of three and eight years. This unusually high incidence in one family raises questions about the genetic versus the environmental factors in the etiology of LCPD.
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O’Sullivan et al. (1985) studied this question.
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