raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:699850

2p25.3 microduplication syndrome

Synonyms: Dup(2)(p25.3) · Trisomy 2p25.3 syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Antenatal, Infancy, Neonatal
Status
active

Orphadata ships no English definition for this code.

1

Names in Orphadata languages

9 of 12 languages
LangNameSynonyms
en2p25.3 microduplication syndromeDup(2)(p25.3) · Trisomy 2p25.3 syndrome
frSyndrome de microduplication 2p25.3Dup(2)(p25.3) · Syndrome de trisomie 2p25.3
deMikroduplikationssyndrom 2p25.3Dup(2)(p25.3)
esSíndrome de microduplicación 2p25.3Dup(2)(p25.3) · Síndrome de trisomía 2p25.3
itSindrome da microduplicazione 2p25.3Dup(2)(p25.3) · Sindrome da trisomia 2p25.3
nl2p25.3-microduplicatiesyndroomDup(2)(p25.3) · Trisomie 2p25.3-syndroom
pt2p25.3 microduplication syndrome
pl2p25.3 microduplication syndrome= en
cs2p25.3 microduplication syndrome= en
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM616521NTBTvalidated
ICD-10Q92.3NTBTattributedvalidated

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 (2):

No children.

4

Genes

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
MYT1LRole in the phenotype ofAssessedHGNC:7623ENSG000001864876130842p25.3myelin transcription factor 1 like37188826[PMID]
PXDNRole in the phenotype ofAssessedHGNC:14966ENSG000001305086051582p25.3peroxidasin37188826[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families43 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