Dosimetric evaluation of irregular surface compensator and intensity-modulated radiotherapy in breast radiotherapy

Autor:	Gokcen Inan, Osman Vefa Gul, Hamit Basaran
Rok vydání:	2021
Předmět:	inorganic chemicals Oncology fungi irregular surface compensator breast radiotherapy Radiology Nuclear Medicine and imaging intensity-modulated radiotherapy therapeutics digestive system Research Paper
Zdroj:	Reports of Practical Oncology and Radiotherapy
ISSN:	2083-4640 1507-1367
DOI:	10.5603/rpor.a2021.0121
Popis:	Background This dosimetric study aims to evaluate the dosimetric advantage of the irregular surface compensator (ISC) compared with the intensity-modulated radiotherapy (IMRT). Materials and methods Ten patients with whole breast irradiation were planned with the ISC and IMRT techniques. Six different beam directions were selected for IMRT and ISC plans. The treatment plans were evaluated with respect to planning target coverage, dose homogeneity index (DHI) and organs at risk (OARs) sparing. Monitor units (MUs) and the delivery time were analysed for treatment efficiency. Results The ISC technique provides a better coverage of the PTV and statistically significantly better homogeneity of the dose distribution. For the ipsilateral lung and heart, ISC and IMRT techniques deliver almost the same dose in all plans. However, MU counts and delivery time were significantly lower with the IMRT technique (p < 0.05). Conclusion For breast radiotherapy, when the ISC method was compared to the IMRT method, ISC provided better dose distribution for the target.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bfd824c4db916c67f0a76f6ea277b02f https://doi.org/10.5603/rpor.a2021.0121 Zobrazit plný text záznamu