{"data":{"id":"10.18429/jacow-rupac2021-mopsa45","type":"dois","attributes":{"doi":"10.18429/jacow-rupac2021-mopsa45","prefix":"10.18429","suffix":"jacow-rupac2021-mopsa45","identifiers":[],"alternateIdentifiers":[],"creators":[{"name":"Belikhin, Mikhail","nameType":"Personal","givenName":"Mikhail","familyName":"Belikhin","affiliation":["MSU, Moscow, Russia"],"nameIdentifiers":[{"schemeUri":"https://www.jacow.org/","nameIdentifier":"JACoW-00109372","nameIdentifierScheme":"JACoW-ID"}]},{"name":"Chernyaev, Alexander","nameType":"Personal","givenName":"Alexander","familyName":"Chernyaev","affiliation":["MSU, Moscow, Russia"],"nameIdentifiers":[{"schemeUri":"https://www.jacow.org/","nameIdentifier":"JACoW-00134368","nameIdentifierScheme":"JACoW-ID"}]},{"name":"Pryanichnikov, Alexander","nameType":"Personal","givenName":"Alexander","familyName":"Pryanichnikov","affiliation":["PhTC LPI RAS, Protvino, Russia"],"nameIdentifiers":[{"schemeUri":"https://www.jacow.org/","nameIdentifier":"JACoW-00103392","nameIdentifierScheme":"JACoW-ID"}]},{"name":"Shemyakov, Alexander","nameType":"Personal","givenName":"Alexander","familyName":"Shemyakov","affiliation":["PhTC LPI RAS, Protein, Moscow region, Russia"],"nameIdentifiers":[{"schemeUri":"https://www.jacow.org/","nameIdentifier":"JACoW-00104541","nameIdentifierScheme":"JACoW-ID"}]}],"titles":[{"lang":"en","title":"Experimental Simulation of Volume Repainting Technique at Proton Synchrotron in Context of Spot Scanning Proton Therapy"}],"publisher":"JACoW Publishing, Geneva, Switzerland","container":{"type":"Series","identifier":"978-3-95450-240-0","identifierType":"ISBN"},"publicationYear":2021,"subjects":[{"lang":"en","subject":"Accelerator Physics"},{"lang":"en","subject":"Accelerators for medicine and applied purposes"}],"contributors":[{"name":"Kuzin, Maksim V.","nameType":"Personal","givenName":"Maksim V.","familyName":"Kuzin","affiliation":["BINP, Novosibirsk, Russia"],"contributorType":"Editor","nameIdentifiers":[{"schemeUri":"https://www.jacow.org/","nameIdentifier":"JACoW-00021965","nameIdentifierScheme":"JACoWId"}]},{"name":"Schaa, Volker RW","nameType":"Personal","givenName":"Volker RW","familyName":"Schaa","affiliation":["GSI, Darmstadt, Germany"],"contributorType":"Editor","nameIdentifiers":[{"schemeUri":"https://orcid.org","nameIdentifier":"https://orcid.org/0000-0003-1866-8570","nameIdentifierScheme":"ORCID"}]}],"dates":[{"date":"2024-10-01","dateType":"Created"},{"date":"2021-10-09","dateType":"Accepted"},{"date":"2021-10-16","dateType":"Issued"},{"date":"2021-09-27/2021-10-01","dateType":"Other","dateInformation":"EventDate"}],"language":"en","types":{"ris":"CPAPER","bibtex":"article","citeproc":"","schemaOrg":"Article","resourceTypeGeneral":"ConferencePaper"},"relatedIdentifiers":[{"relationType":"IsPartOf","relatedIdentifier":"978-3-95450-240-0","relatedIdentifierType":"ISBN"},{"relationType":"IsPartOf","relatedIdentifier":"2673-5539","relatedIdentifierType":"ISSN"}],"relatedItems":[],"sizes":["4 pages","0.992 MB"],"formats":["application/pdf"],"version":null,"rightsList":[{"rights":"Creative Commons Attribution 4.0 International","rightsUri":"https://creativecommons.org/licenses/by/4.0/legalcode","schemeUri":"https://spdx.org/licenses/","rightsIdentifier":"cc-by-4.0","rightsIdentifierScheme":"SPDX"}],"descriptions":[{"lang":"en","description":"Background: Reduction the influence of respiration-induced intrafractional motion of tissues is one of the main tasks of proton therapy with a scanning beam. Repainting is one of the techniques of motion compensation. It consists in multiple repeated irradiations of the entire volume or individual iso-energy layers with a dose that is a multiple of the prescribed dose. As a result, the dose is averaged, which leads to an increase in the uniformity of the dose field. Purpose: Experimental simulation of volume sequential repainting and dosimetric estimation of its capabilities in the context of spot scanning proton therapy (SSPT) using dynamic phantom. Materials and Methods: Simulation of respiration-like translational motion is performed using the non-anthropomorphic water dynamic phantom. Target of this phantom is compatible with EBT-3 films. Estimation of repainting technique is based on the analysis of average dose, dose uniformity in region of interests located within planning target volume, and dose gradients. Results: Repainting was estimated for motion with amplitudes of 2, 5, 10 mm with different number of iterations up to 10 at the prescribed dose of 6 Gy. This one increased the uniformity of the dose field from 85,9% to 96,0% at an amplitude of 10 mm and 10 iterations. Conclusions: Volume repainting improves the uniformity of dose distribution. However, the irradiation time increases, and the dose gradients deteriorate in proportion to the amplitude of motion.","descriptionType":"Abstract"}],"geoLocations":[{"geoLocationPlace":"Alushta, Crimea"}],"fundingReferences":[],"xml":"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