The aim of our study is to assess the membrane expression of DR4, DR5, DcR1 and DcR2 in the normal endometrium (NE), atypical endometrial hyperplasia (AEH) and endometrioid adenocarcinoma (EAC) using the tissue microarray method. This evidence concerns the gene TNFRSF10B and atypical endometrial hyperplasia.