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    The role of human epididymis secretory protein E4 in patients with endometrial cancer and premalignant endometrial lesions
    (TAYLOR & FRANCIS INC, 2017) Yılmaz, Setenay Arzu; Altınkaya, Sündüz Özlem; Kerimoğlu, Özlem Seçilmiş; Pekin, Aybike Tazegül; Akyürek, Fikret; İlhan, Tolgay Tuyan; Benzer, Nilgün
    We evaluated the concentrations of human epididymis secretory protein E4 (HE4) and Ca-125 in relation to clinicopathologic features in patients with endometrial cancer and premalignant endometrial lesions. Women with abnormal uterine bleeding (n=167) who underwent endometrial sampling were divided into four groups. Group 1: endometrial cancer (n=68), group 2: atypical endometrial hyperplasia (n=12), group 3: endometrial hyperplasia without atypia (n=39) and group 4: controls (n=48). Women with endometrial cancer exhibited higher concentrations of HE4 levels than controls (91.4pmol/L vs. 46.2pmol/L, p<0.001). HE4 levels were significantly higher in patients with lymphatic involvement, deep myometrial invasion, lymphovascular space involvement and non-endometrioid histology (p<0.001). The sensitivity, specificity, positive and negative predictive values for HE4 in detecting endometrial cancer were 72.7%, 84.4%, 80% and 78.4%, respectively. Preoperative HE4 levels are more elevated in women with endometrial cancer than those with benign endometrium as well as in women with prognostic high-risk factors with endometrial cancer. HE4 may be used as an additional marker in combination with other clinicopathologic features for planning the treatment.