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Endometrioma
Medical condition / From Wikipedia, the free encyclopedia
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Endometrioma (also called chocolate cyst) is the presence of tissue similar to, but distinct from, the endometrium in and sometimes on the ovary. It is the most common form of endometriosis.[1] Endometrioma is found in 17–44% patients with endometriosis.[2]
Endometriosis of ovary | |
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Transvaginal ultrasonography showing a 67 x 40 mm endometrioma as distinguished from other types of ovarian cysts by a somewhat grainy and not completely anechoic content. | |
Specialty | Gynecology |
More broadly, endometriosis is the presence of tissue similar to, but distinct from, endometrial tissue located outside the uterus. The presence of endometriosis can result in the formation of scar tissue, adhesions and an inflammatory reaction.
Endometriomas are usually benign growths, most often found in the ovary.[3] They forms dark, fluid-filled cysts,[4] which can vary greatly in size. The fluid inside the cysts is thick, dark, old blood, giving it a chocolate-like appearance, giving it the name chocolate cyst. It can also develop in the cul-de-sac (the space behind the uterus), the surface of the uterus, and between the vagina and rectum.[5]