raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:280654

Autosomal recessive nail dysplasia

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

A rare, isolated nail anomaly characterized by claw-shaped, thick, hyperplastic, hard and hyperpigmented nails, subungual hyperkeratosis, onycholysis and slow nail growth. Variable degree of disease severity has been reported.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAutosomal recessive nail dysplasia
frDysplasie des ongles autosomique récessive
deNageldysplasie, autosomal-rezessive
esDisplasia ungueal autosómica recesiva
itDisplasia ungueale autosomica recessiva
nlAutosomaal recessieve nageldysplasie
ptDisplasia das unhas autossómica recessiva
plAutosomalna recesywna dystrofia paznokci
csAutozomálně recesivní dysplázie nehtů
ukАутосомно-рецесивна дисплазія нігтів
zh常染色体隐性指甲发育不良
trOtozomal resesif tırnak displazisi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM161050NTBTvalidated
ICD-10Q84.6NTBTattributedvalidated
ICD-11EC22.0NTBTattributedvalidated
MONDO0029051Evalidated
UMLSC5190687Evalidated

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
FZD6Disease-causing germline mutation(s) inAssessedHGNC:4044ENSG000001649306034098q22.3frizzled class receptor 621665003[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families4 casesWorldwideCase(s)Validated21665003[PMID]
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