Dosimetric comparison of 3-dimensional conformal and intensity-modulated radiotherapy techniques for whole breast irradiation in the prone and supine positions

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KOKSAL C.; Kesen N.D.; Akbas U.; Kalafat U.; Ozkaya K.; Okutan M.; Fayda E.M.; Kucucuk S.; Bilge H.

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Journal: International Journal of Radiation Research Year:2017 | Volume:15 | Issue:4 Page(s): 353-362

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Title

Dosimetric comparison of 3-dimensional conformal and intensity-modulated radiotherapy techniques for whole breast irradiation in the prone and supine positions

Author(s)

Keywords

Breast cancer

prone

supine

IMRT

3D conformal radiotherapy

Abstract

Background: The aim of this study was to compare the differences of the dosimetric parameters between three-dimensional conformal radiotherapy (3D-CRT) and simultaneous-integrated boost intensity-modulated radiotherapy (SIB-IMRT) techniques in the prone and supine posi$ons for breast irradia$on. Materials and Methods: Ten pa$ents underwent a computed tomography simula$on in both the prone and supine posi$ons. For each set-up posi$on, the treatment plans were created with 3D-CRT and SIBIMRT. The dosimetric parameters were obtained from dose-volume histograms. Results: High-dose regions in the whole breast were decreased in IMRT with a simultaneous integrated boost technique. The lung doses were significantly reduced for all pa$ents, and the heart doses were lower in le+-sided Breast cancer pa$ents in the prone posi$on. The heart doses except mean dose were not significantly lower with SIB-IMRT in the prone posi$on. Conclusion: SIB-IMRT allowed a more conformal dose distribu$on regardless of posi$on. The prone posi$on is superior to the supine treatment regarding doses in the ipsilateral, contralateral lung, and heart. The contralateral breast doses were increased in the prone posi$on. prone IMRT can be chosen for simultaneous integrated boost treatment in women with pendulous breasts.

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APA: Copy

KOKSAL, C., Kesen, N.D., Akbas, U., Kalafat, U., Ozkaya, K., Okutan, M., Fayda, E.M., Kucucuk, S., & Bilge, H.. (2017). Dosimetric comparison of 3-dimensional conformal and intensity-modulated radiotherapy techniques for whole breast irradiation in the prone and supine positions. INTERNATIONAL JOURNAL OF RADIATION RESEARCH, 15(4), 353-362. SID. https://sid.ir/paper/286890/en

Vancouver: Copy

KOKSAL C., Kesen N.D., Akbas U., Kalafat U., Ozkaya K., Okutan M., Fayda E.M., Kucucuk S., Bilge H.. Dosimetric comparison of 3-dimensional conformal and intensity-modulated radiotherapy techniques for whole breast irradiation in the prone and supine positions. INTERNATIONAL JOURNAL OF RADIATION RESEARCH[Internet]. 2017;15(4):353-362. Available from: https://sid.ir/paper/286890/en

IEEE: Copy

C. KOKSAL, N.D. Kesen, U. Akbas, U. Kalafat, K. Ozkaya, M. Okutan, E.M. Fayda, S. Kucucuk, and H. Bilge, “Dosimetric comparison of 3-dimensional conformal and intensity-modulated radiotherapy techniques for whole breast irradiation in the prone and supine positions,” INTERNATIONAL JOURNAL OF RADIATION RESEARCH, vol. 15, no. 4, pp. 353–362, 2017, [Online]. Available: https://sid.ir/paper/286890/en

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