Abstract
Objective To explore the effect of low-dose imfepristone on the endometrial simple hyperplasia.Methods Study group were randomly divided into two groups.43 cases in group mifepristone,43 cases in group norethindrone and control group were 20 cases.The endometrial histopathology and the contents of ER and PR were examined before and after the treatment.The changes of endometrial thickness and hemoglobin were detected,too.Results The endometria were all simple hyperplasia before taking the medicine and turned to proliferative stage after taking mifepristone and norethindrone.There were significant difference compared with taking the medicine before(P＜0.05).However,there were no statistical difference between two groups after taking the medicine(P＞0.05).The endometrial ER and PR were significantly depressed after taking the medicine compared with before in study group(P＜0.05).There were no significant difference between control group and group mifepristone after taking mifepristone(P＞0.05).But there were significant difference between controI group and group norethindrone after taking norethindrone(P＜0.05).The endometrum were significant turned thin and the contents of hemoglobin were significantly risen up after taking the medicine in study group(P＜0.05).But the contents of hemoglobin were significantly risen up after taking the medicine in group mifepristone compared with group norethindrone(P＜0.05).Conclusions Low-dose mifepristone can inhibit endometrial simple hyperplasia and turn the endometria from simple hyperplasia to proliferative stage.Low-dose mifepristone may adjust the endometrial ER and PR for inhibitting endometrial hyperplasia and make the expression of endometrial ER and PR decrease.But the contents of ER and PR were more close to normal after taking mifepristone.Low-dose mifepristone can attenuate the endometria and regain the hemoglobin fast.There are seldom side-effects after taking low-dose mifepristone. Key words: Mifepristone; Endometrial hyperplasia; Receptor,progesterone; Receptor,estrogen
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