_:vb50954812 . _:vb50954812 "url:http://www.pathologyoutlines.com/topic/ovarytumoryolksac.html"^^ . _:vb50954812 . _:vb50954812 . _:vb50954812 . _:vb50954812 "An ovarian endodermal sinus tumor that is characterized by a hepatoid pattern on histology, which involves large polyhedral cells with hyaline bodies but no bile."^^ . _:vb50954812 .