raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:294026

Syndactyly-nystagmus syndrome due to 2q31.1 microduplication

Synonyms: Syndactyly-nystagmus syndrome due to dup(2)(q31.1) · Syndactyly-nystagmus syndrome due to trisomy 2q31.1

Type
Malformation syndrome
Group
Disorder
Inheritance
Unknown
Age of onset
Neonatal
Status
active

A rare, genetic, chromosomal anomaly syndrome resulting from partial duplication of the long arm of chromosome 2 characterized by congenital pendular nystagmus associated with bilateral cutaneous syndactyly between the third and fourth fingers.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSyndactyly-nystagmus syndrome due to 2q31.1 microduplicationSyndactyly-nystagmus syndrome due to dup(2)(q31.1) · Syndactyly-nystagmus syndrome due to trisomy 2q31.1
frSyndrome de syndactylie-nystagmus dû à une microduplication 2q31.1Syndrome de syndactylie-nystagmus dû à une dup(2)(q31.1) · Syndrome de syndactylie-nystagmus dû à une trisomie 2q31.1
deSyndaktylie-Nystagmus-Syndrom durch Mikroduplikation 2q31.1Syndaktylie-Nystagmus-Syndrom durch Trisomie 2q31.1 · Syndaktylie-Nystagmus-Syndrom durch dup(2)(q31.1)
esSíndrome de sindactilia-nistagmo por microduplicación 2q31.1Síndrome de sindactilia-nistagmo por dup(2)(q31.1) · Síndrome de sindactilia-nistagmo por trisomía 2q31.1
itSindrome sindattilia - nistagmo da microduplicazione 2q31.1
nlSyndactylie - nystagmus-syndroom door 2q31.1 microduplicatieSyndactylie - nystagmus-syndroom door dup(2)(q31.1) · Syndactylie - nystagmus-syndroom door trisomie 2q31.1
ptSíndrome de microduplicação 2q31.1Trissomia 2q31.1 · Dup(2)(q31.1)
plZespół mikroduplikacji 2q31.1Dup(2)(q31.1) · Trisomia 2q31.1
csMikroduplikační syndrom 2q31.1Dup(2)(q31.1) · Trizomie 2q31.1
ukСиндром синдактилії-ністагму внаслідок мікродуплікації 2q31.1Синдром синдактилії-ністагму внаслідок dup(2)(q31.1) · Синдром синдактилії-ністагму внаслідок трисомії 2q31.1
zh2q31.1微重复引起的并指-眼球震颤综合征2q31.1三体所致并指-眼球震颤综合征
tr2q31.1 mikroduplikasyonu kaynaklı sindaktili-nistagmus sendromuDup (2) (q31.1)'e bağlı sindaktili-nistagmus sendromu · Trizomi 2q31.1'e bağlı sindaktili-nistagmus sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM613681Evalidated
ICD-10Q92.3NTBTattributedvalidated
MONDO0013363Evalidated
UMLSC5190993Evalidated

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

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 casesWorldwideCase(s)Validated21654727[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_21654727[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.

7

Sources for this card