Proton penetration and control in nonhomogeneous phantoms

Accurate bolus is needed for extension of Bragg-peak therapy. Proton beam-stopping profiles in a lucite-styrofoam-tissue phantom and in a Rando phantom were recorded photographically. Air volumes caused the largest distortions. Lucite bolus was cut to achieve desired beam-stopping profiles. Verifica...

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Bibliographic Details
Published inMedical physics (Lancaster) Vol. 4; no. 3; p. 198
Main Authors Wingate, C L, Archambeau, J O, Koehler, A M, Bennett, G W
Format Journal Article
LanguageEnglish
Published United States 01.05.1977
Subjects
Models, Structural
Protons
Radiotherapy, High-Energy
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Summary:Accurate bolus is needed for extension of Bragg-peak therapy. Proton beam-stopping profiles in a lucite-styrofoam-tissue phantom and in a Rando phantom were recorded photographically. Air volumes caused the largest distortions. Lucite bolus was cut to achieve desired beam-stopping profiles. Verification of bolus effect in situ will be important to control beam penetration within 5 mm.
ISSN:0094-2405
DOI:10.1118/1.594365