raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:627

Nance-Horan syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
X-linked dominant
Age of onset
Neonatal
Status
active

A rare X-linked dominant multiple congenital anomalies/dysmorphic syndrome characterized by congenital cataracts with microcornea, dental anomalies, and facial dysmorphism.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enNance-Horan syndrome
frSyndrome de Nance-Horan
deNance-Horan-Syndrom
esSíndrome de Nance-Horan
itSindrome di Nance-Horan
nlSyndroom van Nance-Horan
ptSíndrome Nance-Horan
plZespół Nance'a i Horana
csNanceův-Horanové syndromNanceův syndrom · Nance-Horanové syndrom
ukСиндром Нанса-Горана
zhNance-Horan综合征
trNance-Horan sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM302350Evalidated
ICD-10Q87.0NTBTattributedvalidated
ICD-11LD2F.1YNTBTindexvalidated
MONDO0010545Evalidated
MeSHC538336Evalidated
UMLSC0796085Evalidated
GARD7161Evalidated

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 (5):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
NHSDisease-causing germline mutation(s) inAssessedHGNC:7820ENSG00000188158300457Xp22.2-p22.13NHS actin remodeling regulator20332100[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families424 casesWorldwideCase(s)Validated27616609[PMID]_ORPHANET
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET_27616609[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

27 annotations · validated 2026-06-08
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000164Abnormality of the dentition
HP:0000518Cataract
HP:0000276Long face
HP:0000303Mandibular prognathia
HP:0000482Microcornea
HP:0000639Nystagmus
HP:0000426Prominent nasal bridge
HP:0000448Prominent nose
HP:0000505Visual impairment
HP:0000572Visual loss
Frequent (79-30%)
HP:0001249Intellectual disability
HP:0012413Notched primary central incisor
HP:0000411Protruding ear
HP:0007663Reduced visual acuity
HP:0033782Semilunar tooth
HP:0010049Short metacarpal
HP:0000486Strabismus
HP:0011069Supernumerary tooth
Occasional (29-5%)
HP:0000708Atypical behavior
HP:0000717Autism
HP:0000414Bulbous nose
HP:0000699Diastema
HP:0000501Glaucoma
HP:0002705High, narrow palate
HP:0000568Microphthalmia
HP:0011092Mulberry molar
HP:0000541Retinal detachment

Run the differential on the 10 obligate / very frequent terms

Annotation source: 41236159 [PMID]_37221585[PMID]

7

Sources for this card