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Stoppa-Lyonnet, D; Ansquer, Y; Dreyfus, H; Gautier, C; Gauthier-Villars, M; Bourstyn, E; Clough, K B; Magdelénat, H; Pouillart, P; Vincent-Salomon, A; Fourquet, A; Asselain, B
Journal of clinical oncology, 12/2000, Letnik: 18, Številka: 24Journal Article
Although all studies confirm that BRCA1 tumors are highly proliferative and poorly differentiated, their outcomes remain controversial. We propose to examine, through a cohort study, the pathologic characteristics, overall survival, local recurrence, and metastasis-free intervals of 40 patients with BRCA1 breast cancer. A cohort of 183 patients with invasive breast cancer, treated at the Institut Curie and presenting with a familial history of breast and/or ovarian cancer, were tested for BRCA1 germ-line mutation. Tumor characteristics and clinical events were extracted from our prospectively registered database. Forty BRCA1 mutations were found among the 183 patients (22%). Median follow-up was 58 months. BRCA1 tumors were larger in size (P =.03), had a higher rate of grade 3 histoprognostic factors (P =.002), and had a higher frequency of negative estrogen (P =.003) and progesterone receptors (P =.002) compared with non-BRCA1 tumors. Overall survival was poorer for carriers than for noncarriers (5-year rate, 80% v 91%, P =.002). Because a long time interval between cancer diagnosis and genetic counseling artificially increases survival time due to unrecorded deaths, the analysis was limited to the 110 patients whose diagnosis-to-counseling interval was less than 36 months (19 BRCA1 patients and 91 non-BRCA1 patients). The differences between the BRCA1 and non-BRCA1 groups regarding overall survival and metastasis-free interval were dramatically increased (49% v 85% and 18% v 84%, respectively). Multivariate analysis showed that BRCA1 mutation was an independent prognostic factor. Our results strongly support that among patients with familial breast cancer, those who have a BRCA1 mutation have a worse outcome than those who do not.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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