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What is a teratoma?

A teratoma is a kind of tumor that resembles a malformed fetus. Although it is sometimes mistaken for a phenomenon called fetus in fetu, where one fetus becomes trapped inside its twin, a teratoma does not have a vertebral column, parts of a brain or other organs. It is typically a group of cells that develop skin and teeth.

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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.