ArticleFrontiers in oncology2026
Brazilian Portuguese validation of the breast cancer-related modules of the BREAST-Q.
Article in Frontiers in oncology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: The rising incidence of breast cancer and the growing number of survivors underscore the need for further research into quality of life. The BREAST-Q is one of the most comprehensive tools for assessing quality of life (QL) in patients undergoing breast surgery. Although translated into multiple languages, it has only been fully validated in English. Material and methods: This longitudinal study was conducted to validate and evaluate the psychometric properties of the BREAST-Q in Brazilian Portuguese. Breast cancer-related modules were assessed in 195 patients, mastectomy modules in 66 patients, breast-conserving therapy (BCT) modules in 79 patients, and reconstruction modules in 50 patients. Patient characteristics were analyzed using the mastectomy, BCT, and breast reconstruction modules, along with surgical data on complications and cosmetic outcomes. The psychometric properties of the questionnaires were evaluated for reliability using Cronbach's Results: A total of 195 patients were recruited from the outpatient breast surgical oncology clinic. The sample was divided into five groups: mastectomy without reconstruction, mastectomy with reconstruction (short form), mastectomy with reconstruction (long form), BCT, and BCT with radiotherapy (RT). Internal reliability, measured by Cronbach's Conclusion: The findings indicate that all breast cancer-related modules of the BREAST-Q effectively measured QL in Brazilian patients.
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