Table 4

ER and PR expression in endometrial epithelial and stromal cells according to histological diagnosis and tamoxifen use

*Benign v malignant epithelium in tamoxifen users: p<0.05; †tamoxifen v no tamoxifen: p<0.05; ‡benign v malignant stroma in tamoxifen users: p<0.05; §benign v malignant stroma in non-users: p<0.05.
ER positivePR positive
Epithelium n (%)Stroma n (%)Epithelium n (%)Stroma n (%)
Benign endometrium
    (I) Tamoxifen34 (97)*33 (94)*34 (97)27 (84)†‡
    (II) No tamoxifen22 (92)18 (75)§21 (88)13 (54)§
Endometrial cancer
    (III) Tamoxifen9 (60)†4 (27)11 (73)5 (33)
    (IV) No tamoxifen44 (88)16 (32)40 (80)5 (10)