raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:906

Wiskott-Aldrich syndrome

Synonyms: Eczema-thrombocytopenia-immunodeficiency syndrome · WAS

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant, Autosomal recessive, Not applicable, X-linked recessive
Age of onset
Infancy, Neonatal
Status
active

A primary immunodeficiency disease characterized by microthrombocytopenia, eczema, infections and an increased risk for autoimmune manifestations and malignancies.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enWiskott-Aldrich syndromeEczema-thrombocytopenia-immunodeficiency syndrome · WAS
frSyndrome de Wiskott-AldrichSyndrome d'eczéma-thrombocytopénie-immunodéficience
deWiskott-Aldrich-SyndromImmundefekt kombiniert mit Thrombozytopenie und Ekzem
esSíndrome de Wiskott-AldrichSíndrome de eczema-trombocitopenia-inmunodeficiencia · WAS
itSindrome di Wiskott-AldrichSindrome eczema-trombocitopenia-immunodeficienza · WAS
nlSyndroom van Wiskott-AldrichEczeem - trombocytopenie - immuundeficiëntie-syndroom · WAS
ptSíndrome Wiskott-AldrichSíndrome de eczema-trombocitopenia-imunodeficiência
plZespół Wiskotta i AldrichaWAS · Zespół egzema-trombocytopenia-Niedobór odporności
csWiskottův-Aldrichův syndromSyndrom zahrnující ekzém, trombocytopenii a imunodeficienci · WAS · Wiskott-Aldrichův syndrom
ukСиндром Віскотта-ОлдричаСиндром екземи-тромбоцитопенії-імунодефіциту · WAS
zhWiskott-Aldrich综合征湿疹-血小板减少-免疫缺陷综合征
trWiskott-Aldrich sendromuWAS · Egzama-trombositopeni-immün yetmezlik sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM301000Evalidated
OMIM600903BTNTvalidated
ICD-10D82.0Especificvalidated
ICD-113B62.0YNTBTindexvalidated
MONDO0010518Evalidated
MeSHD014923Evalidated
UMLSC0043194Evalidated
GARD7895Evalidated
MedDRA10047992Evalidated

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 (7):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
WASDisease-causing germline mutation(s) inAssessedHGNC:12731ENSG00000015285300392Xp11.23WASP actin nucleation promoting factor
5

Prevalence and incidence

8 records
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 1 000 0000.1 / 100 000EuropeValue and classValidatedEuropean Medicines Agency 2012[OTHER]
Point prevalence1-9 / 1 000 0000.18 / 100 000FranceValue and classValidated[EXPERT]
Prevalence at birth1-9 / 1 000 0000.2 / 100 000SwitzerlandValue and classValidated3065352[PMID]
Point prevalence1-9 / 1 000 0000.55 / 100 000NorwayValue and classNot yet validated11202238[PMID]_ORPHANET
Point prevalence<1 / 1 000 0000.07 / 100 000AustraliaValue and classValidated9314356[PMID]
Point prevalence<1 / 1 000 0000.03 / 100 000Korea, Republic ofValue and classValidated22787376[PMID]
Prevalence at birth1-9 / 1 000 0000.2 / 100 000United StatesValue and classValidated7381651[PMID]
Point prevalence<1 / 1 000 0000.0278 / 100 000ChinaValue and classValidated34103049[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.

6

HPO phenotypes

57 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0011875Abnormal platelet morphology
HP:0000978Bruising susceptibility
HP:0002028Chronic diarrhea
HP:0000389Chronic otitis media
HP:0006510Chronic pulmonary obstruction
HP:0001945Fever
HP:0002721Immunodeficiency
HP:0011029Internal hemorrhage
HP:0001888Lymphopenia
HP:0000388Otitis media
HP:0003010Prolonged bleeding time
HP:0002205Recurrent respiratory infections
HP:0000246Sinusitis
HP:0007420Spontaneous hematomas
HP:0001873Thrombocytopenia
Frequent (79-30%)
HP:0001879Abnormality of eosinophils
HP:0001903Anemia
HP:0011675Arrhythmia
HP:0002960Autoimmunity
HP:0002094Dyspnea
HP:0012378Fatigue
HP:0002248Hematemesis
HP:0002573Hematochezia
HP:0001878Hemolytic anemia
HP:0002037Inflammation of the large intestine
HP:0001935Microcytic anemia
HP:0000967Petechiae
HP:0000979Purpura
HP:0001328Specific learning disability
Occasional (29-5%)
HP:0011869Abnormal platelet function
HP:0000140Abnormality of the menstrual cycle
HP:0002488Acute leukemia
HP:0001369Arthritis
HP:0000498Blepharitis
HP:0100749Chest pain
HP:0005558Chronic leukemia
HP:0000509Conjunctivitis
HP:0001875Decreased total neutrophil count
HP:0000964Eczematoid dermatitis
HP:0000421Epistaxis
HP:0000225Gingival bleeding
HP:0100820Glomerulopathy
HP:0100774Hyperostosis
HP:0000778Hypoplasia of the thymus
HP:0002170Intracranial hemorrhage
HP:0000491Keratitis
HP:0002665Lymphoma
HP:0001287Meningitis
HP:0002664Neoplasm
HP:0000112Nephropathy
HP:0009830Peripheral neuropathy
HP:0006535Recurrent intrapulmonary hemorrhage
HP:0100806Sepsis
HP:0200042Skin ulcer
HP:0001645Sudden cardiac death
HP:0001025Urticaria
HP:0002633Vasculitis

Run the differential on the 12 obligate / very frequent terms

7

Sources for this card