What is a chocolate cyst?
A. Ovarian endometriosis probably starts as a surface lesion. The process becomes invasive and the endometriotic lesion internalizes into the ovarian tissue. Once the menstrual flow and debris collect at the site of endometriosis in the ovaries, endometrial cysts form that are filled with chocolate-colored liquid. These are commonly called chocolate cysts, or endometriomA. These are nothing more than cysts which represent debris from prolonged cyclic menstruation in an enclosed areA. These cysts may sometimes attain impressive size, with some documented as large as a baseball or grapefruit that completely obliterate the normal ovary. However, usually there is a well-demarcated separation between the cyst wall and the normal adjacent ovarian tissue.
