raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:183707

Infantile LAD-like disease due to RAC2 deficiency

Synonyms: Infantile leukocyte adhesion deficiency due to Rac family small GTPase 2 deficiency

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Infancy, Neonatal
Status
active

Neutrophil immunodeficiency syndrome is a primary immunodeficiency characterized by neutrophilia with severe neutrophil dysfunction, leukocytosis, a predisposition to bacterial infections and poor wound healing, including an absence of pus in infected areas.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enInfantile LAD-like disease due to RAC2 deficiencyInfantile leukocyte adhesion deficiency due to Rac family small GTPase 2 deficiency
frMaladie DAL-like infantile par déficit en RAC2Maladie de déficit d'adhésion leucocytaire-like infantile par déficit en protéine Rac family small GTPase
deInfantile LAD-artige Erkrankung aufgrund RAC2-Defizienz
esEnfermedad similar a la LAD infantil por deficiencia de RAC2Deficiencia de adhesión leucocitaria infantil por deficiencia de Rac2 GTPasa
itMalattia simil-LAD infantile da deficit di RAC2Deficit infantile di adesione leucocitaria da deficit della piccola GTPasi 2 della famiglia Rac
nlInfantiele LAD-achtige ziekte door RAC2-deficiëntieInfantiele deficiëntie van leukocytenadhesie door deficiëntie van 'Rac family small GTPase 2' · Infantiele leukocytenadhesiedeficiëntie door RAC2-deficiëntie
ptDoença infantil LAD-like devido a deficiência RAC2Deficiência de adesão leucocitária infantil devido a deficiência de GTPase pequena da família Rac
plChoroba podobna do LAD u dzieci spowodowana niedoborem RAC2= en
csDeficit RAC2 GTPázy= en
ukІнфантильна LAD-подібна хвороба, спричинена дефіцитом RAC2Дефіцит адгезії лейкоцитів у немовлят, спричинений дефіцитом малої ГТФази 2 родини Rac
zh中性粒细胞免疫缺陷综合征
trNötrofil immün yetmezlik sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM608203Evalidated
ICD-10D71NTBTattributedvalidated
ICD-114A00.00Especificvalidated
MONDO0011988Evalidated
MeSHC564275Evalidated
UMLSC5924996Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
RAC2Disease-causing germline mutation(s) inAssessedHGNC:9802ENSG0000012834060204922q13.1Rac family small GTPase 210758162[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 casesWorldwideCase(s)Validated10758162[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_10758162[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

4 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0011990Abnormality of neutrophil physiology
HP:0002721Immunodeficiency
HP:0001974Increased total leukocyte count
HP:0001058Poor wound healing

Run the differential on the 4 obligate / very frequent terms

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Sources for this card