Germ Cell tumor

"extracranial germ cell tumor", by Terese Winslow (Illustrator). Extracranial germ cell tumor; drawing shows parts of the body where extracranial germ cell tumors may form, including the head and neck, mediastinum (the area between the lungs, shown in blue), retroperitoneum (the area behind...

As a child grows in the womb, cells create the reproductive system, including eggs in the ovary and sperm in the testes. Through time, these cells can grow into germ cell tumors, also called gonadal germ cell tumors. Germ cell tumors may be cancerous or noncancerous. Although germ cells are usually in the reproductive organs, these cells can sometimes take a trip to other parts of the body and cause tumors, called extragonadal germ cell tumors. Areas where germ cell tumors can occur include the following: Ovaries; Testicles; Neck; Chest; Abdomen; Tailbone; Pelvis; Brain There are three various types of germ cell tumors: Mature teratomas; Immature teratomas; Malignant germ cell tumors. Germ cell tumors are rare, They make up about 3% of all cases of childhood years cancer. We do not know precisely why germ cell tumors develop. The symptoms depend on the location of the tumors if your child has a germ cell tumor.

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