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J Korean Soc Ther Radiol Oncol > Volume 28(1); 2010 > Article
The Journal of the Korean Society for Therapeutic Radiology and Oncology 2010;28(1): 16-22. doi: https://doi.org/10.3857/jkstro.2010.28.1.16
An Analysis of the Incidence and Related Factors for Radiation Dermatitis in Breast Cancer Patients Who Received Radiation Therapy
Sun Young Lee, Hyoung Cheol Kwon, Jung Soo Kim, Heui Kwan Lee
1Department of Radiation Oncology, Chonbuk National University Hospital, Jeonju, Korea. hckwon@chonbuk.ac.kr
2Department of Radiation Oncology, Prebyterian Medical Center, Jeonju, Korea.
We analyzed the incidence and related factors of radiation dermatitis; at first, to recognize whether a decrease in radiation dermatitis is possible or not in breast cancer patients who received radiation therapy.
Of 338 patients, 284 with invasive breast cancer who received breast conservation surgery with radiotherapy at Chonbuk National University Hospital from January 2007 to June 2009 were evaluated. Patients who also underwent bolus, previous contralateral breast irradiation and irradiation on both breasts were excluded. For patients who appeared to have greater than moderate radiation dermatitis, the incidence and relating factors for radiation dermatitis were analyzed retrospectively.
A total of 207 and 77 patients appeared to have RTOG grade 0/1 or above RTOG grade 2 radiation dermatitis, respectively. The factors found to be statistically significant for the 77 patients who appeared to have greater than moderate radiation dermatitis include the presence of lymphocele due to the stasis of lymph and lymph edema which affect the healing disturbance of radiation dermatitis (p=0.003, p=0.001). Moreover, an allergic reaction to plaster due to the immune cells of skin and the activation of cytokine and concomitant hormonal therapy were also statistically significant factors (p=0.001, p=0.025).
Most of the breast cancer patients who received radiation therapy appeared to have a greater than mild case of radiation dermatitis. Lymphocele, lymphedema, an allergy to plaster and concomitant hormonal therapy which affect radiation dermatitis were found to be significant factors. Consequently, we should eliminate lymphocele prior to radiation treatment for patients who appear to have an allergic reaction to plaster. We should also instruct patients of methods to maintain skin moisture if they appear to have a greater than moderate case of radiation dermatitis.
Key Words: Breast Neoplasms, Radiation therapy, Radiation dermatitis
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