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Chinese Journal of Breast Disease(Electronic Edition) ›› 2026, Vol. 20 ›› Issue (01): 34-43. doi: 10.3877/cma.j.issn.1674-0807.2026.01.005

• Original Article • Previous Articles    

Incidence of radiation dermatitis and influencing factors in breast cancer patients undergoing radiotherapy: a meta-analysis

Rong Li, Zhengquan Xiao, Long Wang, Huan Zhang()   

  1. Breast Cancer Center, Cancer Hospital of Chongqing University, Chongqing 400030, China
  • Received:2025-01-06 Online:2026-02-01 Published:2026-02-13
  • Contact: Huan Zhang

Abstract:

Objective

To systematically evaluate the incidence and influencing factors of radiation dermatitis (RD) in breast cancer patients treated with radiotherapy.

Methods

A meta-analysis was conducted on the incidence of RD and its influencing factors in breast cancer patients receiving radiotherapy in the CNKI, Wanfang Database, VIP Database, Chinese Biomedical Literature Database, PubMed, Embase, Web of Science, OVID, CINAHL and Cochrane Library, and the time range was from the establishment of the database to December 2024. Two researchers independently conducted literature screening, quality evaluation and data collation, and used RevMan 5.4 and Stata 15.0 software for statistical analysis.

Results

A total of 33 articles were included, of which 24 articles reported the incidence of RD in 8 696 breast cancer patients receiving radiotherapy and the overall incidence of RD was 82% (95%CI: 69%-91%). Intensive irradiation (OR=1.49, 95%CI: 1.22-1.83, P<0.001), large breast volume (OR=1.10, 95%CI: 1.04-1.16, P<0.001), body mass index ≥25 kg/m2 (OR=1.29, 95%CI: 1.11-1.51, P<0.001), conventional fractionated radiotherapy (OR=1.97, 95%CI: 1.33-2.94, P<0.001), smoking (OR=1.58, 95%CI: 1.00-2.50, P=0.050), diabetes (OR=1.47, 95%CI: 1.12-1.95, P<0.05), chemotherapy before radiotherapy(OR=1.25, 95%CI: 1.06-1.47, P<0.05), and use of compensation membranes (OR=3.53, 95%CI: 2.74-4.55, P<0.001) were risk factors for RD in patients undergoing radiotherapy for breast cancer. However, the results of this study could not support hypertension (OR=1.16, 95%CI: 0.82-1.66, P=0.550) and age (OR=1.02, 95%CI: 0.99-1.04, P=0.230) as the risk factors for RD in breast cancer patients with radiotherapy.

Conclusion

The incidence of RD in breast cancer patients undergoing radiotherapy is high due to various factors, among which intensified irradiation, large breast volume, body mass index ≥25 kg/m2, conventional fractionated radiotherapy, smoking, diabetes, chemotherapy before radiotherapy and use of compensatory membranes increase the risk of RD.

Key words: Breast cancer, Radiation dermatitis, Incidence, Influencing factors, Meta-analysis

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