Abstract Objective To explore the diagnostic value of serum human epididymis protein 4 (HE4) in early endometrial carcinoma. Methods Thirty-six cases of stage Ⅰ endometrium carcinoma (endometrial carcinoma group), 19 cases of endometrium atypical hyperplasia (endometrium atypical hyperplasia group) and 45 cases of normal endometrium (normal endometrium group) from May to December 2014 in Bejing Obstetrics and Gynecology Hospital, Capital Medical University were selected, the levels of serum HE4 of patients in each group were detected by enzyme-linked immunosorbent assay (ELISA). The diagnostic value of serum HE4 levels were analyzed. Results The level of HE4 in endometrial carcinoma group [(65.01±40.54) pmol/L] was significantly higher than that in endometrium atypical hyperplasia group [(41.01±15.23) pmol/L] and the normal endometrium group [(40.03±19.03) pmol/L], the differences were statistically significant (P < 0.01). There was no statistically significant difference in serum level of HE4 between the endometrium atypical hyperplasia group and endometrium atypical hyperplasia group (P > 0.05). In endometrial carcinoma group, the levels of serum HE4 were different in patients with different Myometrial infiltration depth, degree of tissue differentiation and vascular clearance. The AUC under the ROC curve was 0.733, and according to the ROC curve the cut-off of HE4 was 46.25 pmol/L, the sensitivity of early diagnosis of endometrial cancer was 68.4%, the specificity was 76.6%. Conclusion The level of serum HE4 in Endometial carcinoma patients is significantly increased, it can be used as biological markers of early diagnosis of endometrial carcinoma, the serum level of HE4 may assist to predict and evaluate risk factors before operation.
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