. "Struma ovarii"@en . "SNOMEDCT_US_2021_09_01:24327009"^^ . "struma ovarii"^^ . "An ovarian germ cell monodermal and highly specialized teratoma that is composed either exclusively or predominantly of thyroid tissue."^^ . . "DOID:2640"^^ . . "disease_ontology"^^ . "NCI:C7468"^^ . "UMLS_CUI:C0038478"^^ . . "MESH:D013330"^^ . "ICDO:9090/0"^^ .