raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:99853

Ovarioleukodystrophy

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal recessive
Age of onset
Adolescent, Adult, Childhood
Status
active

This disease is described under CACH syndrome

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enOvarioleukodystrophy
frOvarioleucodystrophie
deOvarioleukodystrophie
esOvarioleucodistrofia
itOvaioleucodistrofia
nlOvarioleukodystrofie
ptOvarioleucodistrofia
plLeukodystrofia z niedoczynnością jajników / Owarioleukodystrofia
csOvarioleukodystrofie
ukОваріолейкодистрофія
zh卵巢-脑白质营养不良症
trYumurtalık lökodistrofisi
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM603896NTBTvalidated
OMIM615889BTNTvalidated
ICD-10E75.2NTBTattributedvalidated
ICD-118A44.3NTBTindexvalidated
UMLSC1847967Evalidated
MedDRA10089277Evalidated

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

6 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
AARS2Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:21022ENSG000001246086120356p21.1alanyl-tRNA synthetase 2, mitochondrial24808023[PMID]
EIF2B1Disease-causing germline mutation(s) inAssessedHGNC:3257ENSG0000011136160668612q24.31eukaryotic translation initiation factor 2B subunit alpha20301435[PMID]_15136673[PMID]
EIF2B2Disease-causing germline mutation(s) inAssessedHGNC:3258ENSG0000011971860645414q24.3eukaryotic translation initiation factor 2B subunit beta20301435[PMID]_15136673[PMID]
EIF2B3Disease-causing germline mutation(s) inAssessedHGNC:3259ENSG000000707856062731p34.1eukaryotic translation initiation factor 2B subunit gamma20301435[PMID]_15136673[PMID]
EIF2B4Disease-causing germline mutation(s) inAssessedHGNC:3260ENSG000001152116066872p23.3eukaryotic translation initiation factor 2B subunit delta20301435[PMID]_15136673[PMID]
EIF2B5Disease-causing germline mutation(s) inAssessedHGNC:3261ENSG000001451916039453q27.1eukaryotic translation initiation factor 2B subunit epsilon20301435[PMID]_15136673[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families17 casesWorldwideCase(s)Validated24808023[PMID]_12707859[PMID]_9153528[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_24808023[PMID]_12707859[PMID]_9153528[PMID]

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