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Living with Malignant germ cell tumor of ovary

A rare ovarian cancer that starts in egg-forming cells, often showing up in the teen years.

Understanding Malignant germ cell tumor of ovary

Malignant germ cell tumor of ovary is a rare ovarian cancer that starts in germ cells, the cells that make eggs.

It is often found on one side only when diagnosed. It usually shows up in the teen years, though it can happen at a variety of ages.

Signs & symptoms

GARD doesn't list a separate symptom list, but its summary describes these signs:

  • Mass in the pelvis
  • Fever
  • Vaginal bleeding
  • Sudden, severe belly pain (acute abdomen)

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include cancer specialists, gynecologic cancer specialists, maternal-fetal medicine specialists and women’s reproductive health specialists.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
Cancer specialists (oncologists); Gynecologic cancer specialists (gynecologic oncologists); Maternal-fetal medicine specialists (pregnancy-related); Women’s reproductive health specialists (obstetricians / gynecologists)
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with National Ovarian Cancer Coalition and other patient organizations
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Which type of ovarian germ cell tumor is it?
Which specialists should treat me or my child?
How might treatment affect future fertility?

Quick facts

Symptoms usually starta variety of ages

GARD doesn't describe a cause for this condition yet.

Urinary and Reproductive

Also known as: malignant germ cell neoplasm of ovary; malignant germ cell neoplasm of the ovary; malignant germ cell tumor of the ovary; malignant germ cell tumour of the ovary; malignant ovarian germ cell neoplasm; malignant ovarian germ cell tumor

Patient organizations

Source: NIH GARD · Malignant germ cell tumor of ovaryGARD ID 9330 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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Explore actively recruiting Malignant germ cell tumor of ovary studies with HealthSpark.

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