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What is an extragonadal germ cell tumor?

Diana Meeks
Diana Meeks on behalf of Sigma Nursing
Family Practitioner

An extragonadal germ cell tumor is a tumor of cells that would have become eggs or sperm. The term germ cell refers to a cell that will eventually become sperm in males or eggs in females. Germ cells develop in the testicles in males and in the ovaries in females. Germ cell tumors form when germ cell DNA is corrupted, causing germ cells to grow out of control and form clumps called tumors. Germ cells may move to other locations in the body before clumping into tumors. These tumors are referred to as extragonadal because they are outside the gonads, or reproductive organs.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.