As men age, the transitional zone of the prostate increases in size due to hormonal changes within the prostate. More specifically, local testosterone is more readily converted to a by-product (DHT) which has been shown to increase benign prostatic hyperplasia (BPH) and cause male pattern baldness. Most men with BPH will complain of increase in urinary frequency, night time voiding (nocturia), decreased urinary stream and hesitancy. If left untreated for a prolonged period, the obstruction of urine can worsen to complete urinary retention. Medical therapy with the use of alpha-blockers (Flomax, Uroxatral) and/or 5-alpha reductase medications (Proscar, Avodard) are usually a urologists first line treatment option. Each of these medications take 5-7 days and 3-6 months to start improving urinary symptoms and will need to be taken daily forever. In men who are unable to tolerate medical therapy (due to side effects of the medications), or who are not content with the results of medical therapy, as well as men who present in urinary retention, surgical management for BPH is required. The former gold standard, TURP (transurethral resection of the prostate) is an endourological procedure performed under either a spinal or general anasthesia. The cystoscope is placed through the natural urethral passage and an electrocautery loop is used to cut chips of overgrowth BPH tissue for removal. Unfortunately, even in the best of hands, there is always bleeding related to the procedure and most men require at least an overnight hospitalization or 2. Over the past 2 decades, urologists have began to apply laser technology in BPH management. The following video highlights the latest of laser treatment for men with BPH- the GreenLight HPS PVP procedure. There will be 2 videos: 1) a comprehensive overview of laser technology and the PVP procedure 2) a case video presentation demonstrating the procedure and results