Peter Attia· MD
but now that we have IMRT which is a term I had didn't mention before but that's basically intensity modulated radiation therapy which is also the magic behind allowing us to treat a prostate without burning the bladder and the rectum and the newest form of IMRT is called imageguided radiation therapy so you hear you'll hear IGRT basically those two terms go together but by using IMRT it's kind of like an HD TV versus this 1960s black and white blurry set where we can treat with multiple small pixels and in high definition so to speak so now when we do a whole brain if I have to do a whole brain for multiple metastases by using IMRT I can literally carve the dose out i can map out the hippocampus and carve the dose out of there so you see these two cold spots on the hippocampi and not and really have a very low dose there while still treating the remainder of the brain parankma