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Dictionary of Cancer Terms

View in Spanish: Teratoma inmaduro

Immature teratoma (IH-muh-CHOOR TAYR-uh-TOH-muh)
A rare type of malignant (cancer) germ cell tumor (type of tumor that begins in the cells that give rise to sperm or eggs) that often contains several different types of tissue such as hair, muscle, and bone.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.