raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:398987

Malignant teratoma of ovary

Synonyms: Immature teratoma of ovary · Ovarian immature teratoma · Ovarian malignant teratoma

Type
Disease
Group
Disorder
Inheritance
Unknown
Age of onset
Adolescent, Adult, Childhood, Infancy
Status
active

A rare ovarian germ cell tumor characterized by a unilateral large adnexal mass containing variable amounts of immature embryonal-type tissues (mostly in the form of neuroectodermal tubules and rosettes, sometimes with a component of cellular mitotically active glia), admixed with ectodermal and endodermal elements with varying degrees of maturation. Patients typically present in their first three decades of life with signs and symptoms related to mass effect. The tumor is often associated with the occurrence of innumerable miliary nodules of mature glia in the peritoneum (gliomatosis peritonei) and abdominal lymph nodes.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enMalignant teratoma of ovaryImmature teratoma of ovary · Ovarian immature teratoma · Ovarian malignant teratoma
frTératome malin de l'ovaireTératome immature de l'ovaire · Tératome ovarien immature · Tératome ovarien malin
deMalignes Teratom des OvarsTeratom, malignes ovarielles · Unreifes Teratom des Ovars
esTeratoma maligno de ovarioTeratoma inmaduro de ovario · Teratoma ovárico inmaduro · Teratoma ovárico maligno
itTeratoma maligno dell'ovaioTeratoma immaturo dell'ovaio · Teratoma immaturo ovarico · Teratoma ovarico maligno
nlMaligne teratoom van ovariumImmatuur teratoom van eierstok · Kwaadaardig ovariumteratoom · Ovarieel immatuur teratoom
ptTeratoma maligno do ovário
plZłośliwy potworniak jajnikaNiezróżnicowana teratoma jajników · Złośliwa teratoma jajników · Potworniak niedojrzały jajnika
csMaligní teratom vaječníkuOvariální nezralý teratom · Ovariální maligní teratom · Nezralý teratom vaječníku
ukЗлоякісна тератома яєчникаНезріла тератома яєчника · Незріла тератома яєчника · Злоякісна тератома яєчника
zh卵巢恶性畸胎瘤卵巢恶性畸胎瘤
trOverin habis teratomuOverde olgunlaşmamış teratom · Overde olgunlaşmamış teratom · Overde habis teratom

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10C56NTBTindexvalidated
ICD-112C73.3Especificvalidated
MONDO0018369Evalidated
UMLSC0346182Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
BMP15Major susceptibility factor inAssessedHGNC:1068ENSG00000130385300247Xp11.22bone morphogenetic protein 1538427603[PMID]
5

Prevalence and incidence

24 records
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET
Annual incidence<1 / 1 000 0000.07 / 100 000EuropeValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.051 / 100 000AustriaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.052 / 100 000BelgiumValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.043 / 100 000BulgariaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.056 / 100 000CroatiaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.034 / 100 000Czech RepublicValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.074 / 100 000EstoniaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.053 / 100 000FinlandValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.042 / 100 000GermanyValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.052 / 100 000IrelandValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.039 / 100 000ItalyValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.027 / 100 000LatviaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.017 / 100 000LithuaniaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.031 / 100 000MaltaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.084 / 100 000NorwayValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.048 / 100 000PolandValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.045 / 100 000PortugalValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.045 / 100 000SlovakiaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.075 / 100 000SloveniaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.063 / 100 000SpainValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.084 / 100 000SwitzerlandValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.082 / 100 000NetherlandsValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.056 / 100 000United KingdomValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card