raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:652532

Adult-onset progressive leukoencephalopathy-early-onset deafness

Synonyms: Adult-onset progressive leukoencephalopathy-early-onset hearing loss

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Adult
Status
active

A rare genetic neurological disorder characterized by congenital or early-onset sensorineural deafness and adult-onset progressive leukoencephalopathy. Progressive cognitive impairment and behavioral abnormalities are observed in the second or third decade of life, sometimes preceded by mild developmental delay and learning difficulties. Visual impairment in adult age has been reported. No central nervous system calcification is reported.

1

Names in Orphadata languages

10 of 12 languages
LangNameSynonyms
enAdult-onset progressive leukoencephalopathy-early-onset deafnessAdult-onset progressive leukoencephalopathy-early-onset hearing loss
frLeucoencéphalopathie progressive de l'adulte-surdité à début précoceLeucoencéphalopathie progressive de l'adulte-perte auditive à début précoce
deKongenitale Schwerhörigkeit und fortschreitende Leukoenzephalopathie im ErwachsenenalterDEAPLE · Kongenitale Taubheit und progrediente Leukenzephalopathie im Erwachsenenalter
esSordera de inicio precoz-leucoencefalopatía progresiva de inicio en el adultoHipoacusia de inicio precoz-leucoencefalopatía progresiva de inicio en el adulto
itLeucoencefalopatia progressiva ad esordio nell'età adulta-sordità ad esordio precoceLeucoencefalopatia progressiva ad esordio nell'età adulta-perdita dell'udito ad esordio precoce
nlIn volwassenheid optredende progressieve leuko-encefalopathie - vroeg optredende doofheidIn volwassenheid optredende progressieve leuko-encefalopathie - vroeg optredend gehoorverlies
ptLeucoencefalopatia progressiva de início na idade adulta-surdez de início precoceLeucoencefalopatia progressiva de início precoce com perda auditiva na idade adulta
plWrodzona głuchota - postępująca leukoencefalopatia o początku w wieku dorosłym= en
csProgresivní leukoencefalopatie a časná hluchota s nástupem v dospělosti= en
ukПрогресуюча доросла лейкоенцефалопатія з ранньою глухотоюПрогресуюча лейкоенцефалопатія у дорослих - рання втрата слуху

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM619196Evalidated
ICD-10G37.8NTBTattributedvalidated
MONDO0958094Evalidated
MONDO958094Evalidated
UMLSC5921954Evalidated

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 (2):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
KARS1Disease-causing germline mutation(s) inAssessedHGNC:6215ENSG0000006542760142116q23.1lysyl-tRNA synthetase 128887846[PMID]_30737337[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families8 casesWorldwideCase(s)Validated28887846[PMID]_30737337[PMID]_31116475[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated28887846[PMID]_30737337[PMID]_31116475[PMID]_ORPHANET

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