In surgery, urethroplasty is the repair of an injury or defect within the walls of the urethra. There are four commonly used types of urethroplasty performed; anastomotic, buccal mucosal onlay graft, scrotal or penile island flap (graft), and Johansen`s urethroplasty. The choice of procedure is dependent on factors including: Note: in more comple.... Found on http://en.wikipedia.org/wiki/Urethroplasty