Journal
MEDICAL DOSIMETRY
Volume 39, Issue 4, Pages 348-353Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.meddos.2014.06.002
Keywords
Breast cancer; Radiotherapy; Thermoluminescent dosimeter; Treatment planning system
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Acute skin reaction during adjuvant radiotherapy for breast cancer is an inevitable process, and its severity is related to the skin dose. A high-skin dose area can be speculated based on the isodose distribution shown on a treatment planning. To determine whether treatment planning can reflect high-skin dose location, 80 patients were collected and their skin doses in different areas were measured using a thermoluminescent dosimeter to locate the highest-skin dose area in each patient. We determined whether the skin dose is consistent with the highest-dose area estimated by the treatment planning of the same patient. The chi(2) and Fisher exact tests revealed that these 2 methods yielded more consistent results when the highest-dose spots were located in the axillary and breast areas but not in the inframammary area. We suggest that skin doses shown on the treatment planning might be a reliable and simple alternative method for estimating the highest skin doses in some areas. (C) 2014 American Association of Medical Dosimetrists.
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