raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:228415

5q35 microduplication syndrome

Synonyms: Dup(5)(q35) · Trisomy 5q35

Type
Malformation syndrome
Group
Disorder
Inheritance
Not applicable, Unknown
Age of onset
Childhood
Status
active

A rare partial duplication of the long arm of chromosome 5 characterized by low birth weight, developmental delay, intellectual disability, microcephaly, short stature, and behavioral problems. Variable digital, urogenital, cardiac and gastrointestinal anomalies can sometimes occur, as well as variable unremarkable facial dysmorphism. Other signs migh include vision/eye anomalies and delayed bone age.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
en5q35 microduplication syndromeDup(5)(q35) · Trisomy 5q35
frSyndrome de microduplication 5q35Dup(5)(q35) · Trisomie 5q35
deMikroduplikationssyndrom 5q35
esSíndrome de microduplicación 5q35Dup(5)(q35) · Trisomía 5q35
itSindrome da microduplicazione 5q35Dup(5)(q35) · Trisomia 5q35
nl5q35-microduplicatiesyndroomDup(5)(q35) · Trisomie 5q35
ptSíndrome de microduplicação 5q35
plZespół mikroduplikacji 5q35Dup(5)(q35) · Trisomia 5q35
cs5q35 mikroduplikační syndromDup(5)(q35) · Trizomie 5q35
ukСиндром мікродуплікації 5q35Dup(5)(q35) · Трисомія 5q35
zh5q35微重复综合征5q35三体
tr5q35 mikroduplikasyon sendromuDup (5) (q35) · Trizomi 5q35

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q92.3NTBTattributedvalidated
ICD-11LD41.40NTBTindexvalidated
MONDO0016461Evalidated
UMLSC4304526Evalidated

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
NSD1Role in the phenotype ofAssessedHGNC:14234ENSG000001656716066815q35.3nuclear receptor binding SET domain protein 124819041[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families30 casesWorldwideCase(s)Validated24819041[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_24819041[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

9 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001510Growth delay
HP:0001249Intellectual disability
HP:0000252Microcephaly
HP:0004322Short stature
HP:0001328Specific learning disability
Frequent (79-30%)
HP:0000708Atypical behavior
HP:0002750Delayed skeletal maturation
HP:0000545Myopia
Occasional (29-5%)
HP:0001250Seizure

Run the differential on the 5 obligate / very frequent terms

7

Sources for this card