the diagnostic role of human epididymis protein 4 and serum amyloid-a in early-stage endometrial cancer patients.
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The diagnostic role of human epididymis protein 4 and serum amyloid-A in early-stage endometrial cancer patients.
Abstract
The aim of this study was to evaluate the prognostic and predictive efficacy of the human epididymis secretory protein 4 (HE4) and serum amyloid-A (S-AA) together with the other tumor markers (CA 125, CA 15-3, CEA, and CA 19-9) in endometrial cancer patients. The study group consisted of 64 patients with defined stage and grade of endometrial cancer and 60 women with benign uterine diseases. Thirty-four healthy women were defined as the control group. Fasting blood samples were collected prior to surgery and tumor marker levels were determined in blood samples by E170 autoanalyzer. S-AA concentrations were measured by particle-enhanced immunonephelometry. Preoperative serum HE4 and S-AA levels were significantly higher in endometrial cancer patients than in controls, whereas the other measured parameters were not significantly different. Serum levels of HE4 were related to both the stage and grade of tumor. The best cutoff point for HE4 was determined to be 59.7 pmol/L; with 75 % sensitivity and 65.5 % specificity. For S-AA, the cutoff point was 8.8 U/mL, with 68.7 % sensitivity and 58.6 % specificity. The combination of HE4, CA 125, CEA, and S-AA raised the sensitivity to 84 %. Preoperative measurement of serum HE4 and S-AA may be of help in early detection of endometrial cancer. Preoperative screening with these markers may provide important information about the patient's outcome and prognosis.
Abstract
The aim of this study was to evaluate the prognostic and predictive efficacy of the human epididymis secretory protein 4 (HE4) and serum amyloid-A (S-AA) together with the other tumor markers (CA 125, CA 15-3, CEA, and CA 19-9) in endometrial cancer patients. The study group consisted of 64 patients with defined stage and grade of endometrial cancer and 60 women with benign uterine diseases. Thirty-four healthy women were defined as the control group. Fasting blood samples were collected prior to surgery and tumor marker levels were determined in blood samples by E170 autoanalyzer. S-AA concentrations were measured by particle-enhanced immunonephelometry. Preoperative serum HE4 and S-AA levels were significantly higher in endometrial cancer patients than in controls, whereas the other measured parameters were not significantly different. Serum levels of HE4 were related to both the stage and grade of tumor. The best cutoff point for HE4 was determined to be 59.7 pmol/L; with 75 % sensitivity and 65.5 % specificity. For S-AA, the cutoff point was 8.8 U/mL, with 68.7 % sensitivity and 58.6 % specificity. The combination of HE4, CA 125, CEA, and S-AA raised the sensitivity to 84 %. Preoperative measurement of serum HE4 and S-AA may be of help in early detection of endometrial cancer. Preoperative screening with these markers may provide important information about the patient's outcome and prognosis.
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