raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:254898

Deafness-encephaloneuropathy-obesity-valvulopathy syndrome

Synonyms: Hearing loss-encephaloneuropathy-obesity-valvulopathy syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Infancy, Neonatal
Status
active

Deafness-encephaloneuropathy-obesity-valvulopathy syndrome is a rare mitochondrial disease with marked clinical variability typically characterized by encephalomyopathy, kidney disease (nephrotic syndrome), optic atrophy, early-onset deafness, pancytopenia, obesity, and cardiac disease (valvulopathy). Additionally, macrocephaly, intellectual disability, hyperlactatemia, elevated lactate/pyruvate ratio, insulin-dependent diabetes, livedo reticularis, liver dysfunction and seizures have also been associated.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enDeafness-encephaloneuropathy-obesity-valvulopathy syndromeHearing loss-encephaloneuropathy-obesity-valvulopathy syndrome
frSyndrome de surdité-encéphaloneuropathie-obésité-valvulopathie
deSchwerhörigkeit-Enzephaloneuropathie-Adipositas-Valvulopathie-Syndrom
esSíndrome de sordera-encefaloneuropatía-obesidad-valvulopatíaSíndrome de hipoacusia-encefaloneuropatía-obesidad-valvulopatía
itSordità - encefaloneuropatia - obesità - valvulopatiaPerdita dell'udito - encefaloneuropatia - obesità - valvulopatia
nlDoofheid - encefaloneuropathie - obesitas - valvulopathie-syndroomGehoorverlies - encefaloneuropathie - obesitas - valvulopathie-syndroom
ptSurdez - encefaloneuropatia - obesidade - valvulopatiaPerda auditiva - encefaloneuropatia - obesidade - valvulopatia
plGłuchota - encefaloneuropatia - otyłość - walwulopatiaUtrata słuchu - encefaloneuropatia - otyłość - walwulopatia
csSyndrom zahrnující hluchotu, encefaloneuropatii, obezitu a onemocnění chlopníSyndrom zahrnující ztrátu sluchu, encefaloneuropatii, obezitu a onemocnění chlopní
ukСиндром глухоти-енцефалоневропатії-ожиріння-вальвулопатіїСиндром втрати слуху-енцефалоневропатії-ожиріння-вальвулопатії
zh耳聋-脑神经病变-肥胖-心脏瓣膜病综合征耳聋-脑神经病变-肥胖-心脏瓣膜病综合征
trSağırlık-ensefalonöropati-obezite-valvülopati sendromuİşitme kaybı-ensefalonöropati-obezite-valvülopati sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM614651Evalidated
ICD-10E88.8NTBTattributedvalidated
ICD-115C53.22NTBTindexvalidated
MONDO0013837Evalidated
UMLSC4706538Evalidated

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
PDSS1Disease-causing germline mutation(s) inAssessedHGNC:17759ENSG0000014845960742910p12.1decaprenyl diphosphate synthase subunit 117332895[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 casesWorldwideCase(s)Validated17332895[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_17332895[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.

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Sources for this card