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Germ Cell Tumors in Children

What is a germ cell tumor?

Germ cell tumors are a type of tumor that can be benign or malignant.

They grow from germ cells, which form from eggs in women and sperm in men. During normal development of an embryo and fetus, germ cells usually become eggs or sperm. However, if germ cells travel to the brain by mistake (metastatic), they become tumors.

Germ cell tumors are often diagnosed around the time of puberty. They tend to affect boys more than girls.

To make an appointment or request a consultation, contact the Johns Hopkins Pediatric Brain Tumor Center at 410-955-7337.

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