raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:35808

Malignant sex cord stromal tumor of ovary

Synonyms: Malignant ovarian SCST · Malignant ovarian sex cord-stromal tumor

Type
Category
Group
Group of disorders
Inheritance
Not applicable
Age of onset
All ages
Status
active

Malignant sex cord stromal tumor (SCST) of ovary is a rare ovarian cancer arising from granulosa, theca, sertoli and leydig cells or stromal fibroblasts, occurring at any age and presenting with abdominal or pelvic mass, and characterized (with the exception of fibroma) by the production of sex steroids resulting in manifestations of hormone excess, with a relatively favorable prognosis.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enMalignant sex cord stromal tumor of ovaryMalignant ovarian SCST · Malignant ovarian sex cord-stromal tumor
frTumeur maligne des cordons sexuels et du stroma de l'ovaireSCST ovarienne maligne · Tumeur ovarienne maligne stromale des cordons sexuels
deMaligne Keimstrang-Stroma-Tumoren des OvarsOSCST
esTumor maligno del estroma de los cordones sexuales de los ovariosSCST maligno ovárico · Tumor estromal maligno de los cordones sexuales ováricos
itTumore maligno dello strome e dei cordoni sessuali dell'ovaioCancro ovarico dello stroma e dei cordoni sessuali · SCST ovarico maligno · Tumore ovarico maligno dello stroma e dei cordoni sessuali
nlMaligne sex cord-stromale tumor van ovariumKwaadaardige sex cord-stromale tumor van eierstok · Maligne ovariële SCST · Maligne ovariële sex cord-stromale tumor
ptTumor maligno do estroma dos cordões sexuais do ovárioSCST ovárico maligno
plZłośliwy guz jajnika z komórek sznurów płciowych i podścieliskaZłośliwy SCST jajnika
csMaligní sex-cord stromální tumor ovariaMaligní ovariální SCST · Maligní ovariální sex cord-stromální tumor
ukЗлоякісна стромальна пухлина статевого канатика яєчникаЗлоякісний рак яєчника · Злоякісна пухлина статевого канатика-строми яєчника
zh恶性卵巢性索间质肿瘤恶性卵巢性索-间质瘤
trYumurtalıkların habis cinsiyet kord stromal tümörüHabis yumurtalık SCST · Habis yumurtalık cinsiyet kord stromal tümörü

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
MONDO0018172Evalidated
MONDO18172Evalidated
UMLSC1334609Evalidated

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):

Children (4):

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

27 records
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 100 0001.85 / 100 000EuropeValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.13 / 100 000EuropeValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.1 / 100 000United StatesValue and classValidated15863154[PMID]
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET
Annual incidence<1 / 1 000 0000.05 / 100 000FinlandValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.043 / 100 000IcelandValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.074 / 100 000IrelandValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.069 / 100 000ItalyValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.094 / 100 000MaltaValue 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 0000.063 / 100 000SloveniaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.039 / 100 000SpainValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.073 / 100 000SwitzerlandValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.093 / 100 000NetherlandsValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence<1 / 1 000 0000.089 / 100 000United KingdomValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.133 / 100 000AustriaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.102 / 100 000BelgiumValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.367 / 100 000BulgariaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.152 / 100 000CroatiaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.314 / 100 000Czech RepublicValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.296 / 100 000EstoniaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.135 / 100 000GermanyValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.401 / 100 000LatviaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.236 / 100 000LithuaniaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.12 / 100 000NorwayValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.232 / 100 000PolandValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.212 / 100 000SlovakiaValue 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