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Living with Ovarian gynandroblastoma

A rare ovarian tumor from hormone-making cells that usually grows slowly and is often found early.

Understanding Ovarian gynandroblastoma

Ovarian gynandroblastoma is a rare ovarian tumor that develops from the cells in the ovary that normally make hormones.

It can occur at any age but is more common in children and young adults. Under the microscope it has two cell types, Sertoli cells and granulosa cells. Doctors find most tumors while they are still limited to the ovary. It may cause symptoms related to higher estrogen or androgen (male-type hormone) levels. These tumors can grow large but usually grow slowly and are not aggressive.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet. Based on its summary, features may include:

  • Symptoms from high estrogen
  • Symptoms from high androgens (male-type hormones)
  • A large ovarian growth, in some people

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
What stage is the tumor, and is it limited to the ovary?
What treatment is recommended, and could it affect fertility?
How will hormone levels and follow-up be handled?

Quick facts

GARD doesn't describe a cause for this condition yet. It develops from the hormone-making cells of the ovary.

Urinary and Reproductive

Also known as: gynandroblastoma; gynandroblastoma of ovary; gynandroblastoma of the ovary

Patient organizations

Source: NIH GARD · Ovarian gynandroblastomaGARD ID 9665 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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