What Is a Cyst?
10. Chocolate Cyst
A chocolate cyst, or endometrioma, occurs when there is presence of endometrial tissue in or on the ovary. It is most often found in the space between the rectum and vagina and surface of the uterus. These cysts are noncancerous and are known as chocolate cysts due to the brown and tar-like appearance of melted chocolate.
This color is derived from old menstrual blood that fills the cyst. It is estimated to occur in 20% to 40% of women who suffer from endometriosis. Treatment options include nonsteroidal anti-inflammatory drugs (NSAIDs) for the pain, progestational agents, danazol, and gonadotropin releasing hormone agonists. Laparoscopic surgical approaches may include the excision of the chocolate cyst and ovarian adhesions.
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