raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:488280

14q32 duplication syndrome

Synonyms: Dup(14)q(32) · Predisposition to adult-onset myeloproliferative neoplasm due to 14q32 duplication · Trisomy 14q32

Type
Disease
Group
Disorder
Age of onset
Adult
Status
active

14q32 duplication syndrome is a rare chromosomal anomaly syndrome resulting from the partial duplication of the long arm of chromosome 14 that results in a predisposition to a number of adult-onset myeloproliferative neoplasms, including acute myeloid leukemia, chronic myelomonocytic leukemia, and especially essential thrombocythemia. Progression to myelofibrosis and secondary acute myeloid leukemia can be observed.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
en14q32 duplication syndromeDup(14)q(32) · Predisposition to adult-onset myeloproliferative neoplasm due to 14q32 duplication · Trisomy 14q32
frSyndrome de duplication 14q32Dup(14)q(32) · Prédisposition à un néoplasme myéloprolifératif dû à une duplication 14q32 · Trisomie 14q32
de14q32-DuplikationssyndromDup(14)q(32) · Prädisposition für myeloproliferate Neoplasien mit Beginn im Erwachsenenalter durch Duplikation 14q32 · Trisomie 14q32
esSíndrome de duplicación 14q32Dup(14)q(32) · Predisposición a neoplasia mieloproliferativa de inicio en el adulto por duplicación 14q32 · Trisomía 14q32
itSindrome da duplicazione 14q32
nl14q32-duplicatiesyndroomDup(14)(q32) · Predispositie voor myeloproliferatief neoplasma met aanvang op volwassen leeftijd door 14q32-duplicatie · Trisomie 14q32
ptSíndrome de duplicação 14q32
plZespół duplikacji 14q32Dup(14)q(32) · Trisomia 14q32 · Predyspozycja do nowotworu mieloproliferacyjnego wieku dorosłego z powodu duplikacji 14q32
csSyndrom duplikace 14q32Dup(14)q(32) · Trizomie 14q32 · Predispozice k myeloproliferativnímu novotvaru s nástupem v dospělosti způsobená duplikací 14q32
ukСиндром дуплікації 14q32Dup(14)q(32) · Схильність до мієлопроліферативних новоутворень у дорослому віці через дуплікацію 14q32 · Трисомія 14q32
zh14q32重复综合征14q32重复导致的成人易感性骨髓增生性肿瘤
tr14q32 duplikasyon sendromuDup(14)q(32) · Trizomi14q32 · 14q32 duplikasyonu nedeniyle erişkin başlangıçlı miyeloproliferatif neoplazmaya yatkınlık

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM616604Evalidated
ICD-10Q92.3NTBTattributedvalidated
MONDO0014707Evalidated
UMLSC4225449Evalidated

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 (2):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families33 casesWorldwideCase(s)Validated26280900[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_26280900[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.

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HPO phenotypes

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

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Sources for this card