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| ==Polyembryoma== | | ==Polyembryoma== |
| ===General===
| | {{Main|Polyembryoma}} |
| *Poor prognosis.
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| *Almost never in pure form, i.e. usu. a component of a [[mixed germ cell tumour]].<ref>{{Cite journal | last1 = Young | first1 = RH. | title = Testicular tumors--some new and a few perennial problems. | journal = Arch Pathol Lab Med | volume = 132 | issue = 4 | pages = 548-64 | month = Apr | year = 2008 | doi = 10.1043/1543-2165(2008)132[548:TTNAAF]2.0.CO;2 | PMID = 18384207 }}</ref>
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| ===Microscopic===
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| Features:
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| *Disc shaped structure (embryo-like) with:
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| **The one side endoderm.
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| ***Skin/CNS.
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| **The other side ectoderm.
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| ***Internal organs - GI tract.
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| Images:
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| *[http://www.webpathology.com/image.asp?case=37&n=6 Polyembryoma - low mag. (webpathology.com)].
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| *[http://www.webpathology.com/image.asp?n=7&Case=37 Polyembryoma - high mag. (webpathology.com)].
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| ==Mixed germ cell tumour== | | ==Mixed germ cell tumour== |