extragonadal germ cell tumor
- A rare cancer that develops in germ cells that are found in areas of the body other than the ovary or testicle (such as the brain, chest, abdomen, or tailbone). Germ cells are reproductive cells that develop into sperm in males and eggs in females.
English dictionary of cancer terms . 2015.
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Germ cell tumor — Classification and external resources Micrograph of a seminoma, a common germ cell tumor. ICD 10 C … Wikipedia
Mediastinal germ cell tumor — Malignant mediastinal germ cell tumors of various histologies were first described as a clinical entity approximately 50 years ago.[when?] Mediastinal and other extragonadal germ cell tumors were initially thought to represent isolated metastases … Wikipedia
yolk sac tumor — a malignant germ cell tumor of children that represents a proliferation of both yolk sac endoderm and extraembryonic mesenchyme. It is characterized by a labyrinthine glandular pattern with a papillary projection into a sinuslike space;… … Medical dictionary
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Teratoma — Classification and external resources Micrograph of a teratoma showing tissue from all three germ layers: mesoderm (immature cartilage left upper corner of image), endoderm (gastrointestinal glands cente … Wikipedia