3DCRTversus RapidArc treatment for breast cancer:dosimetric study

  • Aida. R. Tolba Cairo University, Cairo, Egypt
  • Saud. H. Allehyani Umm ALQura University, Makkah, Saudi Arabia
  • Huda. A. Sharyan Umm ALQura University, Makkah, Saudi Arabia
  • H. S. Ibrahim Mansoura University,
DOI: https://doi.org/10.53555/hsn.v1i7.763
Keywords: Planning Tumor Volume, Organs at Risk;, Conformity Index, Heterogeneity Index;, Breast cance

Abstract

The Aim of this study is to compare (3D-CRT) to RapidArc planning systems using
(LNAC of 6 MV, 15 MV and 18 MV) in terms of dosimetric outcomes of iso-dose distribution,
dose volume histogram (DVH), PTV and at risk organs in 6 patients with breast cancer. The mean
value of the PTV was (51.38 ± 2.172) in RapidArc compared to(52.21 ± 1.963) in 3D-CRT ,
which means that RapidArc plan achieved lower mean and maximum doses to the PTV..
RapidArc plan showed a more homogeneous dose distribution in PTV, achieving an HI of 1.262 ±
0.037 compared with 1.271 ± 0.024 in the 3D-CRT plan however, RapidArc and 3D-CRT
achieved similar CI values and improvement in target coverage index (TCI) in which (TCI) in
RapidArc was (0.006 ± 0.003) and (0.008 ± 0.006) in 3D-CRT, (P = 0.202). Volumetric modulated
arc therapy (VMAT) is better than 3D-CRT in term of PTV, conformity and homogeneity for
breast cancer.

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Author Biographies

Aida. R. Tolba, Cairo University, Cairo, Egypt

Radiotherapy and Nuclear Medicine Department,National Cancer Institute,

Saud. H. Allehyani, Umm ALQura University, Makkah, Saudi Arabia

Medical Physics Group, Physics Dept, College of Applied Science ,

Huda. A. Sharyan, Umm ALQura University, Makkah, Saudi Arabia

Medical Physics Group, Physics Dept, College of Applied Science

H. S. Ibrahim, Mansoura University,

Biophysics Department,

Published
2016-07-31
How to Cite
Tolba, A. R., Allehyani, S. H., Sharyan, H. A., & Ibrahim, H. S. (2016). 3DCRTversus RapidArc treatment for breast cancer:dosimetric study. IJRDO -JOURNAL OF HEALTH SCIENCES AND NURSING, 1(7), 97-129. https://doi.org/10.53555/hsn.v1i7.763
Issue
Vol. 1 No. 7 (2016): IJRDO - Journal of Health Sciences and Nursing
Section
Articles

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