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An endometrial polyp or uterine polyp is a mass in the inner lining of the uterus. [1] They may have a large flat base or be attached to the uterus by an elongated pedicle (pedunculated). [2] [3] Pedunculated polyps are more common than sessile ones. [4] They range in size from a few millimeters to several centimeters. [3]
Uterine polyps: These growths—caused by an overgrowth of the endometrium—attach to the inner wall of the uterus, reaching into the uterine cavity, which can cause irregular or heavy bleeding ...
SIS is highly sensitive and specific test in the diagnosis of uterine polyps, submucous uterine fibroids, uterine anomalies and intrauterine adhesions (as part of Asherman's syndrome), and can be used as a screening tool for subfertile women prior to IVF treatment. [4] Sonohysterography using a balloon catheter (seen in the middle of the image)
A polyp is an abnormal growth of tissue projecting from a mucous membrane. If it is attached to the surface by a narrow elongated stalk, it is said to be pedunculated; if it is attached without a stalk, it is said to be sessile. Polyps are commonly found in the colon, stomach, nose, ear, sinus(es), urinary bladder, and uterus.
Endometrial atrophy, uterine fibroids, and endometrial cancer are common causes of postmenopausal vaginal bleeding. About 10% of cases are due to endometrial cancer. [ 35 ] Uterine fibroids are benign tumors made of muscle cells and other tissues located in and around the wall of the uterus . [ 36 ]
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 tissue.
MRI can also identify other uterine (e.g. adenomyosis, endometrial polyps, endometrial cancer) and extrauterine (e.g. benign and malignant ovarian tumors, endometriosis) disorders that may mimic the appearance of uterine fibroids and/or contribute to the patient's symptoms. [37]
Adenomyosis is a medical condition characterized by the growth of cells that proliferate on the inside of the uterus (endometrium) atypically located among the cells of the uterine wall , [2] as a result, thickening of the uterus occurs. As well as being misplaced in patients with this condition, endometrial tissue is completely functional.