TITLE

Breast cancer and pregnancy: a comparative analysis of a Chilean cohort

AUTHOR(S)
Sánchez, César; Acevedo, Francisco; Medina, Lidia; Ibáñez, Carolina; Razmilic, Dravna; Elena Navarro, M.; Camus, Mauricio
PUB. DATE
June 2014
SOURCE
Ecancermedicalscience;2014, Vol. 8 Issue 413-446, p1
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Introduction: Recent reports show that pregnancy-associated breast cancer (PABC) survival is similar to that of non-pregnant young patients. We evaluate the characteristics and prognosis of PABC patients treated in our cancer centre. Patients and methods: We identified patients with invasive PABC who were treated between 1999 and May 2013 and compared their characteristics with a no PABC cohort of similar age. Results: The prevalence of PABC was 1% (n = 17). The median age was 35 years (range: 29- 42 years). The initial tumour was suspected clinically in 93% of the cases. Total mastectomy rates were higher in women with PABC (78.6% versus 40.5%, p = 0.02), and more tumours in the PABC group were triple negative, epidermal growth factor type 2 (HER2)-positive, and at advanced stages; however, these differences were not statistically significant. While estimated overall survival at ten years was higher in the non-PABC group (75.5% versus 80.5%, p = 0.043), disease-specific survival (DSS) rate at ten years was not statistically different between groups (83.9% for PABC and 75.5% for unrelated pregnancy BC, p = 0.37). Conclusions: PABC is a rare event. In our cohort, it tended to be more aggressive. Compared with a similar age cohort, the DSS was not worse.
ACCESSION #
97255410

 

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