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  • Title: Significance of HE4 estimation in comparison with CA125 in diagnosis of ovarian cancer and assessment of treatment response.
    Author: Hamed EO, Ahmed H, Sedeek OB, Mohammed AM, Abd-Alla AA, Abdel Ghaffar HM.
    Journal: Diagn Pathol; 2013 Jan 23; 8():11. PubMed ID: 23343214.
    Abstract:
    BACKGROUND: Human epididymis protein 4 (HE4) is a novel and specific biomarker for ovarian cancer. The aim of this study is to evaluate a new tumor marker, HE4, in comparison with CA125 in diagnosis of epithelial ovarian cancer (EOC) and benign gynecological diseases. METHODS: CA125 and HE4 serum levels were determined in 30 patients with epithelial ovarian cancer (21 serous, 6 endometrioid and 3 mucinous tumors), 20 patients with benign gynecological diseases (8 patients with ovarian cyst, 5 patients with endometriosis, 4 patients with fibroid and 3 patients with pelvic inflammatory disease) and 20 healthy women. CA125 and HE4 cut-offs were 35 U/ml and 150 pmol/l, respectively. RESULTS: Serum HE4 and CA125 concentrations were significantly higher in the ovarian cancer patients compared with those seen in patients with benign disease or in the healthy controls (p = 0.001 and p < 0.001 respectively). In the receiver operating characteristic analysis (ROC), the area under the curve (AUC) values for HE4 was 0.96 (95% confidence interval, 0.9-1.0) and CA125 was 0.82 (95% confidence interval, 0.7-0.94). Compared to CA125, HE4 had higher sensitivity (90% vs. 83.3%), specificity (95% vs. 85%), PPV (93.1% vs. 80.7%) and NPV (92.7% vs. 87.2%), the combination of HE4 + CA125 the sensitivity and PPV reached 96.7% and 97% respectively. CONCLUSION: Measuring serum HE4 concentrations along with CA125 concentrations may provide higher accuracy for detecting epithelial ovarian cancer. VIRTUAL SLIDES: The virtual slide(s) for this article can be found here: http://www.diagnosticpathology.diagnomx.eu/vs/1060413168685759.
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