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  • Title: Breast Cancer in Men: Clinical and Pathological Analysis of 817 Cases.
    Author: Spreafico FS, Cardoso-Filho C, Cabello C, Sarian LO, Zeferino LC, Vale DB.
    Journal: Am J Mens Health; 2020; 14(4):1557988320908109. PubMed ID: 32618495.
    Abstract:
    The objective of the current study was to describe breast cancer cases in men according to age, stage, and histology, calculating risks compared to women. It is a retrospective cross-sectional study of all breast cancer cases of the Hospital Cancer Registry of São Paulo state, Brazil, 2000-2015. Variables were age, sex, stage, and histology. Absolute numbers and proportions, Mann-Whitney test and prevalence ratio with 95% confidence interval were used. The study included 93,737 cases, of which 817 were males. The mean age at diagnosis was 60.3 years in men and 56.2 years in women (p < .001). Stage II was the most common in both sexes (33.9% in men and 36.5% in women). Men had a higher frequency of stage III than women (PR 1.18, 95% CI 1.01-1.37). Stage 0 was significantly more common in women (PR 0.69, 95% CI 0.51-0.94). Ductal carcinoma and its variants were the most common histological types in both sexes (88.7% in men and 89.0% in women). Men had a higher frequency of rarer histological types such as papillary (PR 2.17, 95% CI 1.36-3.44) and sarcomas (PR 4.10, 95% CI 1.86-9.01). In conclusion, in men, breast cancer diagnosis occurred in more advanced ages and stages. Invasive ductal carcinoma was the primary histological type observed, although rarer types were more frequent.
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