A Planning Comparison of IMRT vs. Pencil Beam Scanning for Deep Inspiration Breath Hold Lung Cancers

Deep inspiration breath hold (DIBH) has dosimetric advantages for lung cancer patients treated with external beam therapy, but is difficult for many patients to perform. Proton therapy permits sparing of the downstream organs at risk (OAR). We compared conventionally fractionated proton (p) and photon(x) plans on both free breathing (FB) and DIBH planning CTs to determine the effect of DIBH with proton therapy. We evaluated 24 plans from 6 lung cancer patients treated with photon DIBH on a prospective protocol.

Source: Medical Dosimetry - August 20, 2021 Category: Radiology Authors: Dennis Mah, Ellen Yorke, Entela Zemanaj, Zhiqiang Han, Haoyang Liu, Jobin George, Jason Lambiase, Christian Czmielewski, D. Michael Lovelock, Andreas Rimner, Annemarie F. Shepherd Source Type: research