Experimental Investigation of Dosimetric Impact of Intrafraction Target Motion during Proton Uniform Scanning Treatment using Polymer Gel Dosimeters and a 4D Phantom

Su, Zhong; Zeidan, O.; Sriprisan, Sirikul; Slopsema, R; Flampouri, Stella; Li, Z.

doi:10.1016/j.ijrobp.2010.07.1856

Cited by 1 publication

(1 citation statement)

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“…This sensitivity may be due to their lateral and longitudinal time structures in comparison to tissue motion, the so-called interplay effect (Zhao et al, 2008). Initial reports indicate that the amount of uncertainty with moving targets may be clinically acceptable when low dose rates are used (Su et al, 2010).…”

Section: Motionmentioning

confidence: 99%

Acceptance Testing and Quality Control of Digital Radiographic Imaging Systems

Moyers¹,

Toth²,

Sadagopan³

et al. 2024

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Light ion beam treatments are becoming more widely used. Safe and optimal treatments may only be achieved when uncertainties are considered at every step of the planning and delivery process. These uncertainties include, but are not limited to, penetration uncertainties due to beam delivery, uncertainties in dose compliance, uncertainties of x-ray computed tomography numbers, absolute and relative linear stopping powers, absolute and relative linear scattering powers, conversion of x-ray computed tomography numbers to relative linear stopping power, lateral alignment uncertainties, and uncertainties due to inter-fractional and intra-fractional anatomical variations. Knowing the source and magnitude of these uncertainties, the planner must optimize the plans to mitigate the effect of these uncertainties as much as possible without making the plan undeliverable. Visualization of dose distributions considering the effects of these uncertainties is an important step in evaluating the safety and effectiveness of the plans. This report by Task Group 202 of the AAPM has endeavored to address each of these topics as a guide to the user of light ion beam treatments.

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Section: Motionmentioning

confidence: 99%