In the same vein, dermoid cysts and cystadenomas, while typically benign, can become large and disrupt ovarian function. Surgical removal may then be needed to avoid ovarian torsion complications.

Pathological cysts are mostly benign, or noncancerous. They include dermoid cysts, cystadenomas, endometriomas, and small cysts associated with the hormonal condition polycystic ovary syndrome (PCOS).