Unusual familial case of epiphyseolysis capitis femoris lenta

: A rare case of familial slipped capital femoral epiphysis is discussed. Of total five siblings four were affected. All the cases, except one boy, were treated in the Orthopaedic Department of the Medical University Pecs. The fourth affected child was treated conservatively because of the consecutive osteoarthritis, the other three were treated operatively. The literature is reviewed. The possible etiological factors are discussed emphasizing the role of heredity and it can be concluded that the endocrine constitution predisposing to epiphyseolysis be hereditary.