Germ cell tumor

Germ cell tumor (GCT) is a neoplasm derived from the primordial germ cells. Germ-cell tumors can be cancerous or benign. Germ cells normally occur inside the gonads (ovary and testis). GCTs that originate outside the gonads may be birth defects resulting from errors during development of the embryo.

Germ-cell tumor
Micrograph of a seminoma, a common germ cell tumor.
SpecialtyOncology
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