extracranial germ cell tumor

Pronunciation: (EK-struh-KRAY-nee-ul jerm sel TOO-mer)

A rare cancer that forms in germ cells in the testicle or ovary, or in germ cells that have traveled to areas of the body other than the brain (such as the chest, abdomen, or tailbone). Germ cells are reproductive cells that develop into sperm in males and eggs in females.

Source: NCI Dictionary of Cancer Terms

Caption: Extracranial germ cell tumors form in parts of the body other than the brain. This includes the testicles, ovaries, sacrum (lower part of the spine), coccyx (tailbone), mediastinum (area between the lungs), and retroperitoneum (the back wall of the abdomen).

2005-10-24 Date last modified: 2015-03-30