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A rare malignant germ cell tumor characterized by predominant composition of embryoid bodies consisting of a central core of embryonal carcinoma cells an amnion-like cavity and a yolk sac tumor component. The tumor usually occurs as the dominant component of a mixed germ cell tumor with teratoma being the most common associated element. It may manifest as an abdominal mass or with abdominal pain menstrual irregularities or precocious puberty in women while men typically present with testicular enlargement. Serum alpha-fetoprotein and/or beta-human chorionic gonadotropin can be elevated.

Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.

Reference: Access aggregated data from Orphanet at Orphadata.

Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version April 2024

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Advocacy Organizations

My Faulty Gene

My Faulty Gene is a nonprofit organization which provides information and assistance to any individual whose family medical history suggests genetic testing might be helpful in identifying an increased risk of disease due to a genetic mutation. We believe that everyone in need of genetic testing should have access to it.

My Little Sunshine Foundation

My Little Sunshine is a non-profit foundation dedicated to educating people about the importance of fertility preservation and making fertility resources accessible to all.


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Clinical Trials

For a list of clinical trials in this disease area, please click here.