raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:436166

Periodic fever-infantile enterocolitis-autoinflammatory syndrome

Synonyms: NLRC4-related autoinflammatory syndrome with macrophage activation syndrome · NLRC4-related infantile enterocolitis-autoinflammatory syndrome · NLRC4-related macrophage activation syndrome · NLRC4-related MAS · NLRC4-related autoinflammatory syndrome with MAS

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

A rare genetic systemic or rheumatologic disease characterized by neonatal or infantile onset of enterocolitis (which resolves with age), periodic fever, and episodes of severe systemic inflammation, which may be precipitated by infections, stress, or fatigue. Signs and symptoms include splenomegaly, urticaria-like rashes, arthralgia, and myalgia. Associated laboratory findings are elevated inflammatory markers (such as ferritin, C-reactive protein), pancytopenia, and elevated transaminases. If left untreated, flares can progress to coagulopathy, organ failure, and death.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPeriodic fever-infantile enterocolitis-autoinflammatory syndromeNLRC4-related autoinflammatory syndrome with macrophage activation syndrome · NLRC4-related infantile enterocolitis-autoinflammatory syndrome · NLRC4-related macrophage activation syndrome · NLRC4-related MAS · NLRC4-related autoinflammatory syndrome with MAS
frSyndrome auto-inflammatoire-fièvre périodique-entérocolite infantileSAM associé à NLRC4 · Syndrome auto-inflammatoire avec SAM associé à NLRC4 · Syndrome auto-inflammatoire avec syndrome d'activation des macrophages associé à NLRC4 · Syndrome auto-inflammatoire-entérocolite infantile associé à NLRC4 · Syndrome d'activation des macrophages associé à NLRC4
dePeriodisches Fieber-infantile Enterocolitis-autoinflammatorisches SyndromMakrophagen-Aktivierungssyndrom, NLRC4-abhängiges · NLRC4-abhängige infantile Enterocolitis mit Autoinflammation · NLRC4-abhängiges autoinflammatorisches Syndrom mit Makrophagen-Aktivierungssyndrom · NLRC4-assoziiertes MAS · NLRC4-assoziiertes autoinflammatorisches Syndrom mit MAS
esSíndrome autoinflamatorio-fiebre periódica-enterocolitis del lactanteSíndrome autoinflamatorio-enterocolitis del lactante asociado al gen NLRC4 · Síndrome de activación del macrófago asociado al gen NLRC4 · Síndrome de activación macrofágica asociado al gen NLRC4
itSindrome autoinfiammatoria-febbre periodica-enterocolite infantileMAS correlata a NLRC4 · Sindrome autoinfiammatoria con attivazione dei macrofagi correlata a NLRC4 · Sindrome autoinfiammatoria con enterocolite infantile correlata a NLRC4 · Sindrome autoinfiammatoria correlata a NLRC4 con MAS · Sindrome da attivazione dei macrofagi correlata a NLRC4
nlPeriodieke koorts - infantiele enterocolitis - auto-inflammatoir syndroomNLRC4-gerelateerd MAS · NLRC4-gerelateerd auto-inflammatoir syndroom met MAS · NLRC4-gerelateerd auto-inflammatoir syndroom met macrofaagactivatiesyndroom · NLRC4-gerelateerd infantiele enterocolitis - auto-inflammatoir syndroom · NLRC4-gerelateerd macrofaagactivatiesyndroom
ptSíndrome autoinflamatório de febre periódica-enterocolite da infância
plZespół gorączki okresowej, dziecięcego zapalenia jelit i autozapaleniaZespół aktywacji makrofagów zależny od NLRC4 · Zespół dziecięcego zapalenia jelit i autozapalenia zależny od NLRC4 · Zespół autozapalenia z zespołem aktywacji makrofagów zależny od NLRC4 · Zespół dziecięcego zapalenia jelit i choroby autoinflamatoryjnej zależny od NLRC4
csAutozánětlivý syndrom s periodickými horečkami a infantilní enterokolitidou= en
ukПеріодична лихоманка - дитячий ентероколіт - аутозапальний синдромАутозапальний синдром, повязаний з NLRC4, із синдромом активації макрофагів · Аутозапальний синдром, повязаний з NLRC4, з МАС · Повязаний з NLRC4 дитячий ентероколіт - аутозапальний синдром · Синдром активації макрофагів, повязаний з NLRC4 · MAS, повязані з NLRC4
zh周期性发热-小儿小肠结肠炎-自体炎症综合征NLRC4相关的自身免疫性疾病合并和巨噬细胞活化综合征
trPeriyodik ateş-infantil enterokolit-otoinflamatuar sendromNLRC4-ilişkili MAS · NLRC4-ilişkili makrofaj aktivasyon sendromu · MAS ile seyreden NLRC4 ilişkili otoinflamatuar sendrom · NLRC4-ilişkili infantil enterokolit-otoinflamatuar sendrom · Makrofaj aktivasyon sendromu ile seyreden NLRC4-ilişkili otoinflamatuar sendrom

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM616050Evalidated
ICD-10E85.0NTBTattributedvalidated
ICD-114A60.YNTBTattributedvalidated
MONDO0014472Evalidated
UMLSC4015067Evalidated

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 (4):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
NLRC4Disease-causing germline mutation(s) (gain of function) inAssessedHGNC:16412ENSG000000911066068312p22.3NLR family CARD domain containing 425217960[PMID]_25217959[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families4 casesWorldwideCase(s)Validated25217959[PMID]_25217960[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_25217959[PMID]_25217960[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

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

7

Sources for this card