UroToday.com - A survey in 2002 reported that half of urologists in the US offer brachytherapy. The concept of radiation guidance can be either giving radiotherapy via beam or needles. He argued that prostate IG-HDR delivers high doses to the prostate and not the rectum or urethra. He presented a 5-week hyperfractionated protocol of EBRT and HDR boost. The 5-year outcomes of 267 patients treated with high doses revealed the biochemical control is 90%, compared to 68.7% for low dose.