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| ==Overview==
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| The '''Embryonal Carcinoma''' is one of the several types of testicular (or [[ovary|ovarian]]) [[germ cell tumors]], which also include the [[seminoma]] (in testis, [[dysgerminoma]] in [[ovary]]), [[teratoma]], [[Endodermal sinus tumor]] and [[choriocarcinoma]]. Forming from a malignant [[germ cell tumor]], the embryonal carcinoma is a reproductive cell gone out of control. Like any cancer, it grows with its cells dividing rapidly and indefinitely. The embryonal carcinoma can spread up the [[epididymis]] to the vas deferens and spread to the rest of the body, including the [[lymph nodes]] that run along the [[aorta]].
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| Differing from the other types of testicular cancers, the embryonal carcinoma can have several of the properties of a mal-developed fetus, including [[cartilage]]. The main tumor is, on average, 2.5 centimeters long and can also stem out approximately 9 centimeters up the testicular cord. Embryonal carcinomas are usually seen in males age 25-35, but have also hit males as young as their late teens. The chances of an embryonal carcinoma spreading from one testicle to the other are less than 1%. Embryonal carcinomas account for approximately 40% of testicular tumors.
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| Rarely, embryonal carcinomas are seen in females, in the [[ovaries]].
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| ==Resources==
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| * "Embryonal Carcinoma-Testis." The Doctor's Doctor. 19 July 2004. Thedoctorsdoctor.com. 26 Oct. 2005 <http://www.thedoctorsdoctor.com/diseases/embryonal_ca_testis.htm>.
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| * "Embryonal Carcinoma Definition." MedicineNet.com. 10 Mar. 2004. MedicineNet.com. 26 Oct. 2005 <http://www.medterms.com/script/main/art.asp?articlekey=31404>.
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| == Acknowledgements ==
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| The content on this page was first contributed by: C. Michael Gibson, M.S., M.D.
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| Initial content for this page in some instances came from [http://www.wikipedia.org Wikipedia]
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| '''List of contributors:'''
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| == Suggested Reading and Key General References ==
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| == Suggested Links and Web Resources ==
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| == For Patients ==
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| [[Category:Endocrinology]]
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| [[Category:Oncology]]
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| [[Category:Disease]]
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