raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:251038

3q29 microduplication syndrome

Synonyms: Trisomy 3q29

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant, Not applicable
Age of onset
Infancy, Neonatal
Status
active

3q29 microduplications are recently described chromosomal abnormalities with unclear clinical significance.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
en3q29 microduplication syndromeTrisomy 3q29
frSyndrome de microduplication 3q29Trisomie 3q29
deMikroduplikationssyndrom 3q29Trisomie 3q29
esSíndrome de microduplicación 3q29Trisomía 3q29
itMicroduplicazione 3q29Trisomia 3q29
nl3q29-microduplicatiesyndroomTrisomie 3q29
ptSíndrome de microduplicação 3q29Trissomia 3q29
plMikroduplikacja 3q29Trisomia 3q29
csMikroduplikace 3q29Trizomie 3q29
ukСиндром мікродуплікації 3q29Трисомія 3q29
zh染色体3q29微重复综合征3q29三体
tr3q29 mikroduplikasyon sendromuTrizomi 3q29

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM611936Evalidated
ICD-10Q92.3NTBTattributedvalidated
ICD-11LD41.20NTBTindexvalidated
MONDO0012761Evalidated
MeSHC567626Evalidated
UMLSC2749873Evalidated
GARD10360Evalidated

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

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

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

30 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0000164Abnormality of the dentition
HP:0000494Downslanted palpebral fissures
HP:0001263Global developmental delay
HP:0001252Hypotonia
HP:0001249Intellectual disability
HP:0000252Microcephaly
HP:0001513Obesity
Occasional (29-5%)
HP:0000526Aniridia
HP:0004422Biparietal narrowing
HP:0001836Camptodactyly of toe
HP:0000518Cataract
HP:0000175Cleft palate
HP:0001363Craniosynostosis
HP:0002002Deep philtrum
HP:0004397Ectopic anus
HP:0000365Hearing impairment
HP:0000348High forehead
HP:0000218High palate
HP:0000612Iris coloboma
HP:0000239Large fontanelles
HP:0000369Low-set ears
HP:0000256Macrocephaly
HP:0000568Microphthalmia
HP:0001852Sandal gap
HP:0000647Sclerocornea
HP:0001250Seizure
HP:0000470Short neck
HP:0001770Toe syndactyly
HP:0001629Ventricular septal defect
HP:0000431Wide nasal bridge
7

Sources for this card