"Using secondary prompt gamma rays to image in-vivo beam range during proton radiotherapy"

Jerimy C. Polf, PhD, DABR
Assistant Professor
Department of Physics
Oklahoma State University

and

Dennis Mackin, PhD
Research Scientist
Department of Radiation Physics
University of Texas M.D. Anderson Cancer Center

Future advancements in proton beam radiotherapy will include the development of patient specific treatment techniques that tailor and adapt dose delivery based upon the specific biological response of each patient over the course of treatment. Such techniques will require methods to verify dose delivery and quantify the response of irradiated tissues. This talk will present ideas for the use of “prompt” gamma rays emitted from tissues during proton radiotherapy for verifying treatment delivery as well as imaging the elemental composition of irradiated tissues. Initial studies of prompt gamma emission during proton irradiation will be presented, including development of clinically viable detectors and methods to of reconstructing images for verifying proton beam range and evaluating changes to irradiated tissues.

Lisa Rose Sullivan 12.00

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