Home > Encyclopedia of Surgery > Oophorectomy

Definition

Unilateral oophorectomy (also called an ovariectomy) is the surgical removal of an ovary. If one ovary is removed, a woman may continue to menstruate and have children. If both ovaries are removed, a procedure called a bilateral oophorectomy, menstruation stops and a woman loses the ability to have children.

Purpose

Oophorectomy is performed to:

• remove cancerous ovaries
• remove the source of estrogen that stimulates some cancers
• remove a large ovarian cyst
• excise an abscess
• treat endometriosis

In an oophorectomy, one or a portion of one ovary may be removed or both ovaries may be removed. When an oophorectomy is done to treat ovarian cancer or other spreading cancers, both ovaries are removed (called a bilateral...