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A study is made of 20 children suffering from postraumatic, urethral stenosis and they compare the different techniques used in repairing it. Different methods have been proposed but all produce poor results and doubts always arise in a specific case. The stenoses presented in our study occurred at different levels; four in the bulbar urethra and 16 in the membranous urethra. The patients have been divided into four groups, according to the surgical technique applied. The results have been assessed according to the functioning, radiological aspect and the absence or presence of urinary infection. With reference to the functional aspect, 89.5% presented good results, which is greater than those registered in adults. The explanation may lie in the better, local conditions at the time of surgery and the fact that none of these stenoses were of inflammatory origin.