Measurements of lateral penumbra for uniform scanning proton beams under various beam delivery conditions and comparison to the XiO treatment planning system

Purpose : The main purposes of this study were to (1) investigate the dependency of lateral penumbra (80%–20% distance) of uniform scanning proton beams on various factors such as air gap, proton range, modulation width, compensator thickness, and depth, and (2) compare the lateral penumbra calculat...

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Bibliographic Details
Published in:	Medical physics (Lancaster) Vol. 40; no. 9; pp. 091708 - n/a
Main Authors:	Rana, Suresh, Zeidan, Omar, Ramirez, Eric, Rains, Michael, Gao, Junfang, Zheng, Yuanshui
Format:	Journal Article
Language:	English
Published:	United States American Association of Physicists in Medicine 01-09-2013
Subjects:	Air air gaps ALGORITHMS BRAGG CURVE Cancer Conformal radiation treatment Dose‐volume analysis DOSIMETRY Electric measurements lateral penumbra Magnets Medical treatment planning MODULATION PHANTOMS Phantoms, Imaging PLANNING PROTON BEAMS Proton therapy Proton Therapy - methods PROTONS Protons - therapeutic use radiation therapy Radiography RADIOLOGY AND NUCLEAR MEDICINE RADIOTHERAPY Radiotherapy Planning, Computer-Assisted - methods Scintigraphy Selected area electron diffraction Therapeutic applications, including brachytherapy Therapeutics THICKNESS treatment planning system uniform scanning proton therapy Wedges and compensators lateral penumbra treatment planning system uniform scanning proton therapy
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