Fig. 3From: Analysis in the influence factors of urethroplasty in DSDByars staging operation a preoperative appearance; b Degloving and chordee release; c, d Preputial skin flap (Byar’s flap) sutured to cover the raw area created on retraction of the “glans wings” and on areas created after release of chordee. e Preoperative appearance of 2nd staged operation; f Parallel lines were marked on the ventral side of the penis according to the catheter circumference and urethra defect. g The rotated skin was tubularized around the catheter to make the new urethra. h The neourethra was covered by flapBack to article page