raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:96101

Distal duplication 9q syndrome

Synonyms: Distal trisomy 9q · Telomeric duplication 9q · Trisomy 9qter

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

Distal trisomy 9q is a rare chromosomal anomaly, resulting from the partial trisomy of the long arm of chromosome 9, with a variable phenotype mostly characterized by psychomotor and speech delay, intellectual disability, hypotonia, long narrow habitus, craniofacial dysmorphism (incl. micro/dolichocephaly, facial asymmetry, narrow palpebral fissures, deep-set eyes, strabismus, microphthalmia, abnormally shaped ears, microstomia, micro/retrognathia) and hand and feet anomalies (incl. arachnodactyly, camptodactyly, abnormal implantation of digits). Congenital flexion contractures and limited joint movements have also been observed.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enDistal duplication 9q syndromeDistal trisomy 9q · Telomeric duplication 9q · Trisomy 9qter
frSyndrome de duplication distale 9qDuplication 9qter · Duplication télomérique 9q · Trisomie 9qter · Trisomie distale 9q · Trisomie télomérique 9q
deDistale Duplikation 9qDistale Trisomie 9q · Duplikation 9q, distale · Telomere Duplikation 9q · Trisomie 9qter
esSíndrome de duplicación terminal 9qTrisomía 9qter · Trisomía terminal 9q
itDuplicazione 9q distaleTrisomia 9q distale · Duplicazione 9q telomerica · Trisomia 9qter
nlDistale duplicatie 9q-syndroomDistale trisomie 9q · Telomerische duplicatie 9q · Trisomie 9qter
ptDuplicação distal 9qDuplicação telomérica 9q · Trissomia 9qter · Trissomia distal 9q
plZespół duplikacji dystalnej 9qDuplikacja dystalna 9q · Duplikacja telomerowa 9q · Trisomia 9qter
csDistální trizomie 9qDistální duplikace 9q · Telomerická duplikace 9q · Trizomie 9qter
ukДистальна дуплікація 9qДистальна трисомія 9q · Теломерна дуплікація 9q · Трисомія 9qter
zh9号染色体长臂远端三体9号染色体长臂端粒重复
trDistal trizomi 9qTrizomi 9qter · Distal duplikasyon 9q · Telomerik duplikasyon 9q

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q92.3NTBTattributedvalidated
ICD-11LD41.80NTBTindexvalidated
MONDO0019883Evalidated
UMLSC4706939Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

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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