Abstract: ObjectiveTo assess the effect of Duckett and Duplay technique on repairing severe hypospadias.Methods70 cases with severe hypospadias accepted urethraplasty with a penile and scrotal skin tube by Duckett's and Duplay's technique. ResultsThe hypospadias of 65 cases were successfully repaired in one stage, 3 cases complicated urethral fistula,2 caese complicated urethral stenosis with urethral diverticulum, which was significantly improved compared with the scrotal cutaneous island flap techniques(P<0.05). ConclusionDuckett's and Duplay's techniques is a good method in the treatment of severe hypospadias with little complication.

Key words: hypospadias, urethraplasty, functional reconstruction