关于proton therapy这几年在美国渐渐开始流行，但是也有一些争议。关于它优于普通放疗的说法主要还是理论，还没有足够的临床证据。它的主要缺点是价格昂贵。以下来自wikipedia
The issue of when, whether, and how best to apply this technology is controversial.[31][32][33] As of 2012 there have been no controlled trials to demonstrate that proton therapy yields improved survival, or other clinical outcomes (including impotence in prostate cancer) compared to other types of radiation therapy, although a 5-year study of prostate cancer is underway at Massachusetts General Hospital.[34][35][36][37][37] Proton therapy is far more expensive than conventional therapy.[32][38] As of 2012 proton therapy required a very large capital investment (from US$100M to more than $180M).[31][33][39] |
显身卡
