How are an ovarian cyst and ovarian cancer different?

Benign&Malignant: Ovarian cysts are benign fluid filled sacs in the ovaries.Some custs can become cancerous ovarian cancer is a malignant tumor of ovaries and is a serious condition often with poor prognosis requiring surgery, chemotherapy and sometime radiation therapy.

See below.: Most ovarian cyst are benign. They usually come from normal ovarian follicles. Other benign cysts are dermoid cyst, cystadenoma (benign cystic neoplasm) or endometrioma. Ovarian cancer is a malignancy. Imaging studies cannot always tell them apart and surgery may be needed.