What are the types of ovarian tumors?

What are the types of ovarian tumors?

There are three main types of ovarian tumors:

  • Epithelial tumors- derived from the cells on the surface of the ovary.
  • Germ cell tumors- derived from the egg producing cells within the body of the ovary.
  • Stromal tumors – rare in comparison to epithelial tumors and this class of tumors often produces steroid hormones.

What is the most common malignant ovarian tumor?

Dysgerminoma. While ovarian germ cell tumors are rare, this subtype, dysgerminoma, is the most common malignant form and typically affects women in their teens or twenties.

What is the most common benign ovarian tumor?

Benign epithelial tumours are the most common type of benign ovarian tumour. They start from the cells that cover the outer surface of the ovary. Their makeup can be mainly cystic (called cystadenoma), mainly solid (called adenofibroma) or mixed (called cystadenofibroma).

Are all ovarian tumors cancerous?

Not all tumors in the ovary are cancer. Ovarian tumors are classified as benign (non-cancerous), borderline or malignant (cancerous). Most epithelial ovarian tumors are benign and do not spread or cause cancer. There are many types of benign tumors such as serous cystadenomas, mucinous cystadenomas, and Brenner tumors.

What percent of ovarian tumors are cancerous?

Overall, they account for 20 to 25% of all tumors, benign as well as malignant, of the ovary. Approximately 3% are malignant.

Does size of ovarian tumor matter?

When it comes to ovarian cancer, size doesn’t necessarily matter: Smaller tumors are just as likely to be malignant. Unfortunately, symptoms of ovarian cancer are vague, causing women to delay seeking care. Here’s how ovarian tumors of varying sizes have impacted the lives of three women.

Should benign ovarian tumors be removed?

If a cyst is larger than about 2 inches (5 centimeters) and does not disappear, it may need to be removed. If cancer cannot be ruled out, the ovary is removed. If the cyst is cancerous, the cysts and the affected ovary and fallopian tube are removed. Benign tumors, such as fibromas and cystadenomas, require treatment.

How do you know if an ovarian tumor is cancerous?


  1. Abdominal bloating or swelling.
  2. Quickly feeling full when eating.
  3. Weight loss.
  4. Discomfort in the pelvic area.
  5. Fatigue.
  6. Back pain.
  7. Changes in bowel habits, such as constipation.
  8. A frequent need to urinate.

What happens when you have a tumor in your ovaries?

Ovarian stromal tumors The most common symptom of these tumors is abnormal vaginal bleeding. This happens because many of these tumors produce female hormones (estrogen). These hormones can cause vaginal bleeding (like a period) to start again after menopause.

What are the symptoms of a tumor on your ovaries?

Symptoms of both benign and malignant ovarian tumors may include:

  • Stomach bloating.
  • Increased belly size.
  • Stomach or pelvic pain.
  • Constipation.
  • Either difficulty urinating or urinating frequently.
  • Feeling full more quickly than usual when eating.
  • Painful cramps during menstruation.
  • Lower back pain.