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Int J Biol Markers. 2012 Oct 8;27(3):e263-71. doi: 10.5301/JBM.2012.9346.

Preoperative CA-125 predicts extra-uterine disease and survival in uterine papillary serous carcinoma patients.

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  • 1Department of Obstetrics and Gynecology, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands. T.Roelofsen@obgyn.umcn.nl

Abstract

OBJECTIVE:

We determined the clinical utility of preoperative serum CA-125 as predictor of extra-uterine disease and as prognosticator for survival in patients with uterine papillary serous carcinoma (UPSC).

METHODS:

Patients diagnosed with UPSC, identified between 1992 and 2009, and with preoperative CA-125 measurement were included. A receiver operator characteristic (ROC) curve was used to quantify marker performance. Overall and progression free survival were analyzed using the Kaplan-Meier method. Regression analyses were used to investigate the association of preoperative CA-125 levels and other clinicopathological variables with the presence of extra-uterine disease and the effects on survival.

RESULTS:

Sixty-six patients met the study criteria. Using ROC, the CA-125 concentration of 45 U/mL as cutoff level provided the best sensitivity (75%) and specificity (74%) for extra-uterine disease, with a positive predictive value of 86%. Survival was significantly longer in patients with preoperative CA-125 ≤ 45 U/mL (p<0.001). Only preoperative CA-125 >45 U/mL remained significantly associated with extra-uterine disease (OR=6.30, 95% CI 1.93-20.62). Furthermore, advanced FIGO stage (HR=4.53, 95% CI 1.50-13.62) and preoperative CA-125 >45 U/mL (HR=3.12, 95% CI 1.13-8.73) were associated with decreased survival.

CONCLUSION:

Preoperative elevated serum CA-125 is an independent predictor for the presence of extra-uterine disease and an independent risk factor for survival in UPSC patients.

PMID:
22865295
DOI:
10.5301/JBM.2012.9346
[PubMed - indexed for MEDLINE]
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