raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:254698

Epithelioid trophoblastic tumor

Type
Disease
Group
Disorder
Inheritance
Not applicable
Age of onset
Adult
Status
active

A rare gestational trophoblastic neoplasmcharacterized histologically by invasion of the myometrium and/or cervix uteri by regular epithelioid cells of chorion laeve type intermediate trophoblasts which clusters in a hyaline stroma. The disease generally occurs several years after pregnancy and indicative signs are irregular metrorrhagia and moderate increases in chorionic gonadotropin levels.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enEpithelioid trophoblastic tumor
frTumeur trophoblastique épithélioïde
deTrophoblasttumor, epitheloider
esTumor trofoblástico epitelioide
itTumore trofoblastico epitelioide
nlEpithelioïde trofoblasttumor
ptTumor trofoblástico epitelióide
plEpitelioidalny guz trofoblastyczny
csEpiteloidní trofoblastický nádor
ukЕпітеліоїдна трофобластична пухлина
zh上皮样滋养层细胞肿瘤
trEpiteloid trofoblastik tümör

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10C58NTBTattributedvalidated
ICD-112C75.0NTBTindexvalidated
ICD-11XH8FW3Especificvalidated
MONDO0016787Evalidated
UMLSC1266159Evalidated

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

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

3 records
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET
Annual incidenceUnknown—EuropeClass onlyValidatedORPHANET
Lifetime Prevalence—WorldwideClass onlyValidatedORPHANET

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