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Evaluation Of Presage® As A 3d Dose Verification Tool In Proton Beams, Mitchell Carroll
Evaluation Of Presage® As A 3d Dose Verification Tool In Proton Beams, Mitchell Carroll
Dissertations & Theses (Open Access)
Radiotherapy techniques have advanced and radiation dose plans have become much more complex over the last decade. This is especially true in proton therapy, which involves extremely steep dose gradients as a result of positioning the Bragg peak to cover the volumes to be treated. The Bragg peak can be shifted significantly in the patient as a result of nonuniformities in the tissue composition in its path, which can result in treatment complications. Some traditional dose verification tools used in proton beam commissioning and treatment plan verification are film, TLD, and ionization chambers. Such 0D and 2D dosimeters are incapable …