Ovarian germ cell tumor
If this name is new to you, start here. This short overview explains what the condition is and whether a transplant plays any part.
Ovarian germ-cell tumors arise from cells in the ovary that normally develop into eggs. They include several tumor types and differ from the more common epithelial ovarian cancers.
Other names and abbreviations
ovarian GCT, OGCT, ovarian dysgerminoma, ovarian nongerminomatous germ cell tumor, Malignant ovarian germ cell tumour, ovarian germ-cell cancer
In short
- Ovarian germ cell tumors start in the ovary cells that normally become eggs. They mostly affect teens and young adults and differ from more common ovarian cancers.
- Treatment uses surgery, saving fertility when possible, and platinum-based chemotherapy when needed. The plan is guided by tumor type, stage, tumor markers and response.
- For some tumors that come back, high-dose chemotherapy may be considered, often in specialist or research care. The patient's own stem cells are then returned, so no donor is needed.
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Where transplant fits
Very strong drug treatment given in large doses, often to kill cancer cells. It also destroys the bone marrow and can cause other serious side effects. A stem cell transplant usually follows to rebuild the marrow. with Coming from the patient's own body. In an autologous transplant, the patient's own stem cells are collected and stored, then given back after high-dose treatment. It does not use a donor. may be considered for selected recurrent disease, often in a specialist or research setting. Evidence is limited and partly drawn from broader germ-cell tumor experience. The procedure uses the patient’s cells, not a registry donor.
Treatment depends on the exact diagnosis, disease stage, prior treatment and the person’s health.
Key facts
- Who it affects
- Ovarian germ-cell tumors mainly affect teenagers and young adults.
- Usual treatment
- Treatment uses surgery, preserving fertility when feasible, and platinum-based chemotherapy when indicated. Histology, stage, tumor markers and response guide follow-up and additional treatment.
- Cells used in a transplant
- The patient’s own collected blood-forming cells for autologous stem cell rescue, when that procedure is appropriate.
- Where a donor fits
- Limited transplant role
Ovarian germ cell tumor
From the Jada Bascom Foundation disease library, jadabascomfoundation.org. Printed .
Questions to bring to your care team
- What is the exact name of the diagnosis or subtype, and what does it mean for treatment?
- What is the goal of each treatment you are suggesting?
- What would make a transplant worth considering later on?
- Are there clinical trials that might fit?
- Where can our family find support during treatment?
A one-page list to take to the next appointment, with room for notes.
Supporting someone with a diagnosisSupport for patients and families
These independent organizations offer information and support. JBF is not affiliated with them.
- Ovacome UK ovarian cancer support charity with a support line, support groups and information, including on rare germ cell tumors.United Kingdom
- The Robin Cancer Trust UK charity for testicular, ovarian and germ cell cancers offering free materials and community for newly diagnosed young people.United Kingdom
- Ovarian Cancer Research Alliance Peer mentoring, support series, one-to-one counseling and educational webinars for people with ovarian and other gynecologic cancers and families.United States
Sources and further reading
- Treatment of Ovarian Germ Cell Tumors (PDQ)
NCI, Accessed 2026-09-05 - Indications for haematopoietic cell transplantation and CAR-T: 2025 EBMT practice recommendations
EBMT / Bone Marrow Transplantation, Accessed 2026-09-05 - Stem Cell and Bone Marrow Transplants for Cancer
NCI, Accessed 2026-09-05
This information explains a condition and its treatments. It cannot diagnose an illness or recommend treatment for an individual. Your care team can explain how the evidence applies to you. Written and source-checked by the Jada Bascom Foundation. Each page lists the published sources it draws on.
Help another family understand.
Most people with ovarian germ cell tumor are treated without a registry donor. A clear explanation can help the next family who hears this diagnosis, and many people with other blood cancers and blood disorders need a donor who is a stranger.
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