Objectives Granulosa cell tumor of the ovary (GCT) is a rare ovarian malignancy. The natural history of GCT is one of slow growth, with a tendency for late recurrence. However, in some cases it appears to be more aggressive. Our Aim is to identify prognostic factors for a better patient selection for adjuvant treatment.
Methods It’s a retrospective study about patients GCTs treated in our institution between january1993 to December 2014. Overall survival and disease free survival were defined according to NCI Dictionary of Cancer Terms.
Results A total of 59 women were included in this study. The median age was 55 year old (IQR 44–63). The mean tumor size was 14,92 ±7cm. 75,9% (n=35) were FIGO stage I. All our patients have been initially treated with surgery and the median follow up after surgery was 44 months (IQR 14–88). The overall survival (OS) at 5 and 10 years was respectively 92% and 82%. The disease free survival (DFS) at 5 and 10 years was 76,9% and 31,9%, respectively. In multivariate analysis, FIGO stage [aHR(95%CI): 3.67(1.1–11.9), P=0.03] and residual tumor [aHR(95%CI): 3.74(1.48–9.44) p=0.005] were independent risk factors for all-cause mortality. Similarly, after adjusting for potential confounders, FIGO stage was associated with a 70% decrease in DFS [aHR(95%CI): 1.77(1.04–3.01), P=0.034] whereas age increased DFS by 5% [aHR(95%CI): 0.95(0.91–0.98), P=0.012]
Conclusions In our study, we found non-modifiable prognostic factors that may help indicate adjuvant chemotherapy. Further studies in larger population, with longer follow-up to determine a clear threshold for adjuvant chemotherapy are warranted.
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