We measured the clinical tibiofemoral (TF) angle and the intercondylar (IC) or intermalleolar (IM) distance in 427 normal European children (212 male and 215 female) aged from 10 to 16 years. In our study, girls had a constant valgus (5.5#{176}) and displayed an IM distance of <8 cm or an IC distance of <4 cm. By contrast, boys had a varus evolution (4.4#{176}) during the last two years of growth and displayed an IM distance of <4 cm or an IC distance of <5 cm. Values above these for genu varum or genu valgum may require careful follow-up and evaluation. J Bone Joint Surg [Br] 1995:77-B:729-32.
The effects of percutaneous Ethibloc (Ethicon/Johnson & Johnson, St-Stevens-Woluwe, Belgium) injection into primary aneurysmal bone cysts were analysed. Two patients with a venous drainage after injection of a medium contrast were excluded. Twelve patients underwent at least one percutaneous injection of Ethibloc. The average follow-up period was 5.1 years. At final follow-up, six patients had complete healing of the cyst, three had partial healing and three, who had no response, were treated by curettage and bone grafting. Complete healing was observed for all the aggressive lesions. No major complications were noted. Ethibloc injection may be performed as a primary treatment of aneurysmal bone cysts if the technique is followed with precision.
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