Hello what is an avasuclar cystic lesion with appearances consistent with an endometrioma? could this cause irregular bleeding/spotting brown discharge?

Benign ovarian cyst: An Endometrioma is a benign ovarian cyst. Diagnosis may need surgery. It is part of a clinical picture called endometriosis. Any ovarian cyst can cause irregular spotting /irregular menstrual bleeding. Avascular cystic structure means that it is a fluid or other material filled, balloon like structure with no blood vessels within it. Need for surgery depends on its size and symptoms