4D Dosimetry

Authored by: Emma Colvill , Jeremy T. Booth , Paul Keall

Clinical 3D Dosimetry in Modern Radiation Therapy

Print publication date:  October  2017
Online publication date:  October  2017

Print ISBN: 9781482252217
eBook ISBN: 9781315118826
Adobe ISBN:


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Four-dimensional (4D) dosimetry is the measurement of dose in three dimensions while the detector positions are changing with time during the dose delivery. The rationale for performing 4D dosimetry is that human anatomy, and specifically that of cancer patients, changes with time. These temporal changes in the three-dimensional (3D) anatomy have driven the development of 4D dosimetry.

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