Dosimetric comparison between VMAT and RC3D techniques: case of prostate treatment
1 LPMPS Laboratory, Physics Department, Frères Mentouri Constantine1 University, 2500 Constantine, Algeria
2 Athena Medical Center, 25000 Constantine, Algeria
3 LIRIS Laboratory, Claude Bernard university, 69100 Lyon, France
* Corresponding author: firstname.lastname@example.org
Published online: 29 September 2017
Considered as the second men cancer in Algeria, prostate cancer is treated in 70% by radiation. That's why radiation therapy is therapeutic weapon for prostate cancer. Conformational Radiotherapy in 3D is the most common technique [1−5]. The use of conventionally optimized treatment plans was compared at case scenario of optimized treatment plans VMAT for prostate cancer. The evaluation of the two optimizations strategies focused on the resulting plans ability to retain dose objectives under the influence of patient set up. Dose Volume Histogram in the Planning Target Volume and dose in the Organs At Risks were used to calculate the conformity index, and evaluation ratio of irradiated volume which represent the main tool of comparison [6,7]. The situation was analysed systematically. The 14% dose increase in the target leads to a decrease in the dose in adjacent organs with 39% in the bladder. Therefore, the criterion for better efficacy and less toxicity reveal that VMAT is the best choice.
© The Authors, published by EDP Sciences, 2017
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