raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:280558

Warsaw breakage syndrome

Synonyms: WABS

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

A rare genetic multiple congenital anomalies/dysmorphic syndrome characterized by pre- and postnatal growth restriction, microcephaly, mild to severe intellectual disability, sensorineural hearing loss with cochlear abnormalities, and facial dysmorphism (with small and elongated face, bifrontal narrowing, epicanthus, short nose, small nares, dysplastic ears, and short neck). Additional variable features include limb malformations, cardiac anomalies, abnormal skin pigmentation, and recurrent infections, among others.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enWarsaw breakage syndromeWABS
frSyndrome de cassure chromosomique de Varsovie= en
deWarsaw-Breakage-Syndrom= en
esSíndrome de rotura cromosómica de Varsovia= en
itSindrome da rotture cromosomiche di Varsavia= en
nlWarschau-breuksyndroom= en
ptSíndrome de quebras de Varsóvia= en
plZespół Warszawa/Warsaw= en
csVaršavský syndrom chromozomální instability= en
ukВаршавський синдром= en
zhWARSAW破损综合症= en
trVarşova kırık sendromu= en

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM613398Evalidated
ICD-10Q87.8NTBTattributedvalidated
ICD-11LD2F.1YNTBTindexvalidated
MONDO0013252Evalidated
UMLSC3150658Evalidated
GARD13708Evalidated

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 (3):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
DDX11Disease-causing germline mutation(s) inAssessedHGNC:2736ENSG0000001357360115012p11.21DEAD/H-box helicase 1123033317[PMID]_20137776[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families4 casesWorldwideCase(s)Validated20137776[PMID]_21490908[PMID]_23033317[PMID]
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.

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Sources for this card