Comparative study between conventional and field-infield techniques in early-stage breast cancer radiotherapy


Original Article

Author Details : Leena Gupta Ligu*, Vikas Jagtap, Mouchumee Bhattacharyya

Volume : 8, Issue : 1, Year : 2021

Article Page : 94-99

https://doi.org/10.18231/j.ijpo.2021.019



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Abstract

Introduction: “Breast cancer is one of the foremost reasons for cancer death in the fewer developed countries of the world. This is partially because a change in lifestyles it’s affecting growth in occurrence and partially because of clinical advances to combat the disease are not reaching women existing in these regions. Adjuvant radiotherapy given subsequent operation for primary carcinoma of the breast has been revealed to reduce the occurrence of locoregional reappearance from 30% to 10.5% at 20 years and breast cancer deaths by 5.4% at 20 years.
Materials and Methods: 40 patients by initial-stage breast cancer underwent calculated tomography. 2 diverse treatment strategies were created for each patient: the wedge-based (conventional) strategy and the FIF plan. Dosimetric parameters and monitor components were associated with paired sample t-test.
Results: FIF technique gained significantly lower dose homogeneity index, lower maximum doses, and higher median doses in PTV (P<0>0.05). In ipsilateral lungs, FIF significantly reduced the maximum and mean doses (P<0>0.05). In patients with left-sided breast cancer, minimum and maximum doses and V40 of heart were significantly decreased in FIF plans (P<0> Conclusion: These results along with significantly fewer monitor unit’s essential for therapy in FIF suggest that this technique may be more advantageous during breast irradiation.

Keywords: Breast cancer, Conformal radiotherapy, Field-in-field technique.


How to cite : Ligu L G , Jagtap V , Bhattacharyya M , Comparative study between conventional and field-infield techniques in early-stage breast cancer radiotherapy. Indian J Pathol Oncol 2021;8(1):94-99


Copyright © 2021 by author(s) and Indian J Pathol Oncol. This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International License (creativecommons.org)



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https://doi.org/10.18231/j.ijpo.2021.019


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