raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2783

Autosomal dominant osteopetrosis type 1

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Adolescent, Childhood
Status
active

A rare sclerosing bone disorder characterized by skeletal densification that predominantly involves the cranial vault.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAutosomal dominant osteopetrosis type 1
frOstéopétrose autosomique dominante type 1
deOsteopetrose, autosomal-dominante, Typ 1
esOsteopetrosis dominante tipo 1
itOsteopetrosi autosomica dominante, tipo 1
nlAutosomaal dominante osteopetrose type 1
ptOsteopetrose autossómica dominante tipo 1
plAutosomalna dominująca osteopetroza typu 1
csAutozomálně dominantní osteopetróza, typ 1
ukАутосомно-домінантний остеопетроз, тип 1
zh常染色体显性骨硬化症1型
trOtozomal dominant osteopetroz tip 1

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM607634Evalidated
ICD-10Q78.2NTBTinclusionvalidated
ICD-11LD24.10NTBTindexvalidated
MONDO0011877Evalidated
MeSHC536056Evalidated
UMLSC1843330Evalidated
GARD4151Evalidated

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
LRP5Disease-causing germline mutation(s) (gain of function) inAssessedHGNC:6697ENSG0000016233760350611q13.2LDL receptor related protein 521600326[PMID]_12579474[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families33 casesWorldwideCase(s)ValidatedORPHANET
Point prevalence<1 / 1 000 000—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