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  • Title: Bone age determination in children with Legg-Calvé-Perthes disease: a comparison of two methods.
    Author: Loder RT, Farley FA, Herring JA, Schork MA, Shyr Y.
    Journal: J Pediatr Orthop; 1995; 15(1):90-4. PubMed ID: 7883936.
    Abstract:
    In 100 children (17 girls, 83 boys) with Legg-Calvé-Perthes disease, the average chronological age, pelvis bone age, and hand-wrist bone age were significantly different for the girls (8.2, 6.9, and 7.0 years, respectively; p < 0.05) and the boys (8.2, 7.4, and 5.9 years, respectively; p < 0.05). For the girls, the chronological age was greater than the pelvis bone age and the hand-wrist bone age (p < 0.05); there was no difference between the pelvis and hand-wrist bone age. For the boys, the chronological age was greater than the pelvis bone age and the hand-wrist bone age (p < 0.05); the pelvis bone age was greater than the hand-wrist bone age and less than the chronological age (p < 0.05). The acromelic growth in Legg-Calvé-Perthes disease may explain why the more proximal pelvis bone age in boys was less delayed than that of the more distal hand-wrist.
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