A benign ovarian tumor is a noncancerous growth on or inside an ovary. It is a solid mass, not a fluid-filled cyst. It is called benign because the abnormal cells in the growth do not spread to other parts of the body.
The two ovaries are part of the female reproductive system. They produce eggs and the female hormones estrogen and progesterone.
The causes of benign ovarian tumors are not well understood. There are different types of tumors, which may have different causes. In many cases, a tumor may have begun to develop months before you were born.
An ovarian mass may cause no specific symptoms and may not be detected until you have a regular checkup with your healthcare provider. However, depending on the size, location, and type, it may cause some or all of the following symptoms:
An ovarian tumor may be discovered when you have a pelvic exam. Tests you may have are:
The usual treatment is surgery to remove the tumor. If the tumor becomes twisted, it usually causes severe abdominal pain, nausea, and vomiting and you need surgery right away before the tumor damages the ovary.
In some cases the whole ovary is removed. At the time of surgery the other ovary is thoroughly explored to be sure that it does not also have a tumor. Rarely, both ovaries have to be removed.
A tumor that is removed will be studied carefully to check for cancer.
Most of the time, a benign tumor that is surgically removed will not come back again.
You should have a routine physical exam, including a pelvic exam and Pap test, as often as your healthcare provider recommends. Doing this will help ensure that changes in your ovaries are diagnosed as early as possible.
Call your provider if you have:
There is no definite way to prevent the growth of ovarian tumors.