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Endometrial hyperplasia is a condition of excessive proliferation of the cells of the endometrium, or inner lining of the uterus. Most cases of endometrial hyperplasia result from high levels of estrogens , combined with insufficient levels of the progesterone-like hormones which ordinarily counteract estrogen's proliferative effects on this ...
Cross section through the wall of a hysterectomy specimen of a 30-year-old woman who reported chronic pelvic pain and abnormal uterine bleeding. The endometrial surface is at the top of the image, and the serosa is at the bottom. Misplaced endometrial tissue proliferation in the myometrium causes symptoms through different mechanisms. [6]
Metropathia haemorrhagica, also known as metropathia haemorrhagica cystica, is a menstrual disorder which is defined as a specialized type of anovulatory dysfunctional uterine bleeding associated with endometrial hyperplasia and intermenstrual bleeding.
Detection by ultrasonography can be difficult, particularly when there is endometrial hyperplasia (excessive thickening of the endometrium). [2] Larger polyps may be missed by curettage. [10] Endometrial polyps can be solitary or occur with others. [11] They are round or oval and measure between a few millimeters and several centimeters in ...
One estimate is that 10.8 million people are affected globally as of 2015. [6] Other sources estimate 6 to 10% of the general female population [1] and 2 to 11% of asymptomatic women [17] are affected. In addition, 11% of women in a general population have undiagnosed endometriosis that can be seen on magnetic resonance imaging (MRI).
An endometrial stromal nodule is a noninfiltrative, circumscribed proliferation of endometrial stromal cells and is a benign subtype of endometrial stromal tumor. The appearance of the cells is identical to normal endometrial stromal cells. This can only be differentiated from low-grade endometrial stromal sarcoma by confirming lack of ...
Arias-Stella reaction, also Arias-Stella phenomenon, is a benign change in the endometrium associated with the presence of chorionic tissue. [1] Arias-Stella reaction is due to progesterone primarily. Cytologically, it resembles a malignancy and, historically, it was misdiagnosed as endometrial cancer. [1]
About 20,000 protein coding genes are expressed in human cells and some 70% of these genes are expressed in the normal endometrium. ... proliferative endometrium ...