Bülent Erkurt is a professor of urology at Medipol University hospital, İstanbul. He is interested in endourology. His daily practice is predominantly kidney stone and prostate disease. Since 1998, he has been performing stone and tumor treatments, especially with flexible urs. Since 2004, he has performed hundrets of prostate laser treatment . In recent years he has mainly been dealing with ( HOLEP ) with high power laser.