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Revista Brasileira de Ginecologia e Obstetrícia

versão impressa ISSN 0100-7203versão On-line ISSN 1806-9339

Resumo

ESPINOLA, Juliana Pinho et al. Molecular Subtypes of Breast Cancer Are Not Associated with the Clinical Under- or Overstaging of Breast Cancer. Rev. Bras. Ginecol. Obstet. [online]. 2016, vol.38, n.5, pp.239-245. ISSN 1806-9339.  https://doi.org/10.1055/s-0036-1584127.

Purpose

to evaluate the agreement between the clinical and pathological stagings of breast cancer based on clinical and molecular features.

Methods

this was a cross-sectional study, in which clinical, epidemiological and pathological data were collected from 226 patients who underwent surgery at the Prof. Dr. José Aristodemo Pinotti Women's Hospital (CAISM/Unicamp) from January 2008 to September 2010. Patients were staged clinically and pathologically, and were classified as: understaged, when the clinical staging was lower than the pathological staging; correctly staged, when the clinical staging was the same as the pathological one; and overstaged, when the clinical staging was greater than the pathological staging.

Results

understaged patients were younger (52.2 years; p < 0.01) and more symptomatic at diagnosis (p = 0.04) when compared with correctly or overstaged patients. Clinicopathological surrogate subtype, menopausal status, parity, hormone replace therapy and histology were not associated with differences in staging. Women under 57 years of age were clinically understaged mainly due to underestimation of T ( tumor staging) (p < 0.001), as were the premenopausal women (p < 0.01). Patients whose diagnosis was made due to clinical complaints, and not by screening, were clinically understaged due to underestimation of N (lymph nodes staging) (p < 0.001).

Conclusion

the study shows that the clinicopathological surrogate subtype is not associated with differences in staging, while younger women diagnosed because of clinical complaints tend to have their breast tumors understaged during clinical evaluation.

Palavras-chave : breast cancer; cancer staging; mammography; neoplasms; breast.

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