raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:96109

Distal duplication 22q syndrome

Synonyms: Distal trisomy 22q · Telomeric duplication 22q · Trisomy 22qter

Type
Malformation syndrome
Group
Disorder
Age of onset
Antenatal, Neonatal
Status
active

Distal trisomy 22q is a rare chromosomal anomaly syndrome, resulting from the partial duplication of the long arm of chromosome 22, with variable phenotype principally characterized by varying degrees of intellectual disabilty and developmental delay, pre- and postnatal growth deficiency, hypotonia, and craniofacial dysmorphism (incl. microcephaly, hypertelorism, narrow and upslanted palpebral fissures, epicanthic folds, low-set dysplastic ears, broad and depressed nasal bridge, cleft lip an/or palate, long philtrum, retro/micrognathia). Congenital heart defects, as well as cerebral, skeletal, renal and genital anomalies, have also been reported.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enDistal duplication 22q syndromeDistal trisomy 22q · Telomeric duplication 22q · Trisomy 22qter
frSyndrome de duplication distale 22qDuplication 22qter · Duplication télomérique 22q · Trisomie 22qter · Trisomie distale 22q · Trisomie télomérique 22q
deDistale Duplikation 22qDistale Trisomie 22q · Duplikation 22q, distale · Telomere Duplikation 22q · Trisomie 22qter
esSíndrome de duplicación terminal 22qTrisomía 22qter · Trisomía terminal 22q
itSindrome duplicazione 22q distaleTrisomia 22q distale · Duplicazione 22q telomerica · Trisomia 22qter
nlDistale duplicatie 22q-syndroomDistale trisomie 22q · Telomerische duplicatie 22q · Trisomie 22qter
ptDuplicação distal 22qDuplicação telomérica 22q · Trissomia 22qter · Trissomia distal 22q
plZespół duplikacji dystalnej 22qDuplikacja dystalna 22q · Duplikacja telomerowa 22q · Trisomia 22qter
csDistální trizomie 22qDistální duplikace 22q · Telomerická duplikace 22q · Trizomie 22qter
ukДистальна дуплікація 22qДистальна трисомія 22q · Теломерна дуплікація 22q · Трисомія 22qter
zh22号染色体长臂远端三体22号染色体长臂端粒重复
trDistal trizomi 22qTrizomi 22qter · Distal duplikasyon 22q · Telomerik duplikasyon 22q

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q92.3NTBTattributedvalidated
ICD-11LD41.MNTBTattributedvalidated
MONDO0019889Evalidated
UMLSC4706936Evalidated

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

0 records

No prevalence record in this release.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card