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Year : 2021  |  Volume : 10  |  Issue : 5  |  Page : 234-240

A comparative survival study between familial and sporadic breast cancer in iranian women

Cancer Research Center, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Correspondence Address:
Amir Shahram Yousefi Kashi
Cancer Research Center, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ccij.ccij_25_21

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Background: Breast cancer (BC) is the most common cancer in Iranian women, with 13400 new cases annually. A few studies have reported that BC patients with a positive familial history had different prognoses and outcomes. The aim of the present study was to evaluate and compare survival between familial BC (FBC) patients and sporadic BC (SBC) patients in Iranian women. Materials and Metshods: In a longitudinal study, 1710 patients with complete medical records from the Cancer Research Center database were extracted and divided into two groups: The FBC group (n = 311) and the SBC group (n = 1399). Then, 5-year overall survival (OS) and 5-year disease-free survival (DFS) for these two groups were evaluated and compared. Results: The FBC group and SBC group represented 18.2% and 81.8% of all cases, with mean ages of 44.2 years and 47.7 years, respectively (P = 0.0024). There were more advanced stage and positive lymph nodes, higher grade of tumor, more positive lymphovascular invasion and P53 status and higher degrees of negative progesterone receptor status in the FBC group than in the SBC group (P = 0.0200, P = 0.0001, P = 0.0001, P = 0.0386, P = 0.0182 and P = 0.0003, respectively). In the FBC group and SBC group, the 5-year DFS was 81% and 86.5% (P = 0.0121), and the 5-year OS was 71.1% and 76.5%, respectively (P = 0.0401). Conclusions: The findings of this study showed better 5-year OS, 5-year DFS, and favorable prognostic factors in the SBT group than in the FBC group. The initial results might be helpful as better treatment modalities and careful follow-up in the FBC group.

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