Testis and epididymis
Germ cell tumors
Reviewer: Turki Al-Hussain, M.D. (see Reviewers page)
Revised: 21 April 2013, last major update January 2013
Copyright: (c) 2002-2013, PathologyOutlines.com, Inc.
- Immature mixed germ cell tumor with multiple embryoid bodies (central core of embryonal carcinoma cells, amnion-like cavity and yolk sac tumor component)
- Elements other than the embryoid bodies, however, should constitute less
than 10% of the tumor for the 'polyembryoma' designation to be used (Mod Pathol 2005;18:S61)
- Resembles embryonic yolk sac
- Behaves like other mixed germ cell tumors
End of Testis and epididymis > Germ cell tumors > Polyembryoma
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