Which of the following lasers is used for treatment of benign prostatic hyperplasia as well as urinary calculi?: (A) CO2 laser, (B) Excimer laser, (C) Ho: YAG laser, (D) Nd: YAG laser
Answer is C. The holmium: YAG Laser is excellent for stone fragmentation and tissue ablation and is now the most popular system in use." - Smith's Urology Both Ho: YAG & Nd: YAG laser systems can be used for BPH, but only Ho:YAG is used for stone fragmentation. For BPH, Ho:YAG is preferred over Nd:YAG. Ref : Cambell's Urology 8/e p3393