Descriptive study of breast cancer cases in Goiânia between 1989 and 2003
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Data
2011
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Resumo
Objective
Objective: To describe cases of breast cancer in women living in Goiânia from 1989-2003. Methods
Methods: We conducted a
retrospective, descriptive stud, which included all cases of breast cancer occurring in residents of Goiânia, identified by the
Population-Based Cancer Registry of Goiânia (RCBPGO) in the period from 1989 to 2003. The variables were: age, method
of diagnosis, topographic location, morphology and extent of breast cancer. We used frequencies and percentage rates,
Results: We identified 3204 cases of breast
and Poisson regression to determine the annual percentage change (APC). Results
cancer. The most frequent topographic location was the superior-lateral quadrant (53.7%). Infiltrating ductal carcinoma
(IDC) was the most frequent, with 2582 cases (80.6%), followed by infiltrating lobular carcinoma (ILC), with 155 cases
(4.8%). There was a significant increase of both the IDC and the ILC, with APCs of 11.0% and 15.4%, respectively. The ratio
between IDC and ILC was not influenced by age (p = 0.98). As for tumor extent at diagnosis, 45.6% were located in the
breast, and the APC was 16.1% (CI = 12.4 to 20.0, p <0.001). There was a trend of APC reduction of metastatic cases (-3.8,
CI = -8.6 to 1.2, p = 0.12). Conclusion
Conclusion: The topographical location and histological type of breast cancer in the city of
Goiania followed the pattern of other countries. The main morphological types were not influenced by age. There was a
large increase in initial cases.
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Breast neoplasms, Epidemiology, Women, Cross sectional studies, Incidence, Epidemiology, Neoplasias da mama, Mulheres, Estudos transversos, Epidemiologia, Incidência
Citação
NUNES, Rodrigo Disconzi et al. Descriptive study of breast cancer cases in Goiânia between 1989 and 2003. Revista do Colégio Brasileiro de Cirurgiões, Rio de Janeiro, v. 38, n. 4, p. 212-216, 2011.