RESEARCH ARTICLE


Methodology for Quality Control of Treatment Planning Systems for Use in Radiation Teletherapy



E. M. Simão1, L. E. A. Macedo2, D. N. Souza1, *
1 Departamento de Física, Universidade Federal de Sergipe, São Cristóvão, SE, 49100-000, Brazil.
2 Hospital de Emergência de Sergipe, HUSE, Aracaju, SE, 49080-470, Brazil

Article Information


Identifiers and Pagination:

Year: 2009
Volume: 1
First Page: 29
Last Page: 34
Publisher Id: TOMDJ-1-29
DOI: 10.2174/1875181400901010029

Article History:

Received Date: 23/02/2009
Revision Received Date: 29/06/2009
Acceptance Date: 30/06/2009
Electronic publication date: 19/8/2009
Collection year: 2009

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© 2009 N. Souza et al.;

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Correspondence: * Address correspondence to this author at the Departamento de Física, Universidade Federal de Sergipe, São Cristóvão, SE, 49100-000, Brazil. E-mail: divanizi@ufs.br


Abstract

Radiation oncology requires appropriate planning of both target volume and location. The correct calculation of the target volume as well as the precise location of critical anatomic structures is vitally important to ensure the success of treatment. Treatment planning systems (TPS) are used in radiation teletherapy to simulate the projection of the field, its shape and the distribution of the absorbed dose over the volume of interest. This allows maximization of the absorbed dose in the target tumor and minimizes unnecessary exposure to other tissues. A quality assurance program is also important to ensure the effectiveness of treatment. In Brazil, in 2000, the Ministry of Health instituted a protocol to optimize the quality control associated with radiation oncology. In 2004, the International Atomic Energy Agency established a specific protocol for quality control procedures for TPS. However, an appropriate methodology to comply with these quality control procedures is needed. We propose a methodology for assessing the quality control tasks used in treatment planning systems. This methodology will evaluate the capacity of TPS to use the data generated by computed tomography and the table scanner to determine the appropriate distribution of the absorbed dose over the volume of interest.