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TILLAUX FRACTURES IN CHILDREN AND ADOLESCENTS: 20 CASES



Abstract

Purpose: Tillaux fractures correspond to type III joint fractures involving the anterolateral tubercle of the inferior tibia in the Salter and Harris classification. These fractures generally occur by external rotation in children about 13 years old at the time the medial part of inferior growth cartilage of the tibial epiphysis has fused. The purpose of the present study was to analyse long-term outcome in a retrospective series of twenty children.

Material and methods: All twenty patients underwent physical examination and a standard radiographic work-up at last follow-up. Results were classed into three categories: good (free of pain, stiffness, gait impairment, joint degeneration), faire (moderate pain and/or stiffness and/or gait impairment without joint degeneration), poor (severe pain and/or severe stiffness and/or limping and/or joint degeneration).

Results: This series included eight boys and twelve girls, mean age 12.8 years (range 3.4 – 14.9). Mean follow-up was three years eleven months (range 12 months – 8 years 9 months). Eleven patients underwent surgical treatment and nine orthopaedic treatment. The lateral segment of the growth cartilage was open in all cases but the medial segment was open in two and completely closed in six. A computed tomography scan was required in one patient to assess displacement. Outcome was considered good in eighteen patients and fair in two. These two patients had persistent pain without functional impairment at about one year follow-up.

Discussion: Overall, the long-term outcome is good for Tillaux fractures if they are correctly identified and evaluated, with computed tomography if necessary, to enable appropriate surgical or orthopaedic treatment. Inappropriate management of this joint fracture can lead to joint incongruency and secondary degeneration. Most of these fractures occur in adolescents and secondary growth impairment is negligible. This type of fracture may also occur in adults. Prognosis is excellent with adapted treatment.

The abstracts were prepared by Docteur Jean Barthas. Correspondence should be addressed to him at Secrétariat de la Société S.O.F.C.O.T., 56 rue Boissonade, 75014 Paris.