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Dose painting by means of Monte Carlo treatment planning at the voxel level
- Jiménez-Ortega, E. (author)
-
- Ureba, Ana (author)
- Karolinska Institutet,Stockholms universitet,Medicinsk strålningsfysik (tills m KI),Instituto de Biomedicina de Sevilla, Spain
- Vargas, A. (author)
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- Baeza, J. A. (author)
- Wals-Zurita, A. (author)
- García-Gómez, J. (author)
- Barbeiro, A. R. (author)
- Leal, A. (author)
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- (creator_code:org_t)
- Elsevier BV, 2017
- 2017
- English.
- In: Physica medica (Testo stampato). - : Elsevier BV. - 1120-1797 .- 1724-191X. ; 42, s. 339-344
- Journal article (peer-reviewed)
Abstract
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- Purpose: To develop a new optimization algorithm to carry out true dose painting by numbers (DPBN) planning based on full Monte Carlo (MC) calculation.Methods: Four configurations with different clustering of the voxel values from PET data were proposed. An optimization method at the voxel level under Lineal Programming (LP) formulation was used for an inverse planning and implemented in CARMEN, an in-house Monte Carlo treatment planning system.Results: Beamlet solutions fulfilled the objectives and did not show significant differences between the different configurations. More differences were observed between the segment solutions. The plan for the dose prescription map without clustering was the better solution.Conclusions: LP optimization at voxel level without dose-volume restrictions can carry out true DPBN planning with the MC accuracy.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Radiologi och bildbehandling (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Radiology, Nuclear Medicine and Medical Imaging (hsv//eng)
Keyword
- Dose painting by numbers
- Dose painting by contour
- Linear programming optimization
- Monte Carlo dose calculation
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Barbeiro, A. R.
- Leal, A.
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