chocolate cyst

English

Etymology

From the color of the blood, which resembles the color of chocolate.

Noun

chocolate cyst (plural chocolate cysts)

1. An ovarian cyst containing old brown blood, usually, but not always, associated with endometriosis.
   • 1997, Gere S. DiZerega, Alan H. DeCherney, Michael P. Diamond, Pelvic Surgery: Adhesion Formation and Prevention, →ISBN:

     In situ examination of ovaries with a chocolate cyst has shown that the endometrioma is not an intraovarian cyst of deeply infiltrating endometriosis but an extraovarian pseudocyst consisting of invaginated ovarian cortex fused and sealed off by adhesions and colonized by superficial endometriotic implants.

   • 2009, Stanley J. Robboy, Robboy's Pathology of the Female Reproductive Tract, →ISBN, page 528:

     The best known manifestation of endometriosis in the ovary is the 'chocolate cyst' (Figure 20.13).

   • 2012, Julia Grove, Medical Domino Effect: The Right To Bear Child, →ISBN:

     The right ovary was enlarged to approximately 10 centimetres with a bilocular chocolate cyst, suggesting endometrioma.