_:vb50953712 . _:vb50953712 . _:vb50953712 "An ovarian germ cell teratoma that has_material_basis_in a tissue type from one germ cell layer (ectoderm, mesoderm or endoderm)."^^ . _:vb50953712 . _:vb50953712 "url:https://pubs.rsna.org/doi/full/10.1148/radiographics.21.2.g01mr09475"^^ . _:vb50953712 . _:vb50953712 .