raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:85410

Oligoarticular juvenile idiopathic arthritis

Synonyms: Oligoarticular JIA · Pauciarticular chronic arthritis

Type
Disease
Group
Disorder
Inheritance
Multigenic/multifactorial
Age of onset
Childhood
Status
active

A rare inflammatory rheumatic disease characterized by juvenile onset arthritis that affects fewer than 5 joints during the first 6 months after disease onset.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enOligoarticular juvenile idiopathic arthritisOligoarticular JIA · Pauciarticular chronic arthritis
frArthrite juvénile idiopathique oligoarticulaireAJI oligoarticulaire · Arthrite chronique pauci-articulaire · Oligoarthrite juvénile
deArthritis, idiopathische juvenile, oligoartikuläreArthritis, chronische pauciartikuläre · Oligoarthritis mit antinukleäre Faktoren · Oligoartikuläre JIA
esArtritis idiopática juvenil oligoarticularAIJ oligoarticular · Artritis crónica pauciarticular
itArtrite idiopatica giovanile oligoarticolareArtrite pauciarticolare cronica
nlOligoarticulaire juveniele idiopathische artritisOligoarticulaire JIA · Pauciarticulaire chronische artritis
ptArtrite oligoarticular juvenil
plMłodzieńcze zapalenie kilku stawówJIA pojedynczych stawów · Przewlekłe zapalenie kilku stawów
csOligoartikulární forma juvenilní idiopatické artritidyPauciartikulární juvenilní artritida
ukОлігосуглобовий ювенільний ідіопатичний артритОлігосуглобовий ЮРА · Хронічний суглобово-суглобовий хронічний артрит
zh少关节型幼年特发性关节炎少关节型慢性关节炎
trOligoartiküler jüvenil idiyopatik artritOligoartiküler JIA · Pauciartiküler kronik artrit

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10M08.4Especificvalidated
ICD-11FA24.0Especificvalidated
MONDO0019433Evalidated
MeSHC536312Evalidated
UMLSC2931171Evalidated
GARD4261Evalidated

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 (2):

No children.

Codes that Orphanet moved or referred to this one:

4

Genes

7 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
ANKRD55Major susceptibility factor inNot yet assessedHGNC:25681ENSG000001645126151895q11.2ankyrin repeat domain 5523603761[PMID]
CD247Major susceptibility factor inAssessedHGNC:1677ENSG000001988211867801q24.2CD247 molecule22294642[PMID]
IL2RAMajor susceptibility factor inAssessedHGNC:6008ENSG0000013446014773010p15.1interleukin 2 receptor subunit alpha22294642[PMID]
IL2RBMajor susceptibility factor inNot yet assessedHGNC:6009ENSG0000010038514671022q12.3interleukin 2 receptor subunit beta23603761[PMID]
PTPN2Major susceptibility factor inAssessedHGNC:9650ENSG0000017535417688718p11.21protein tyrosine phosphatase non-receptor type 222294642[PMID]
PTPN22Major susceptibility factor inAssessedHGNC:9652ENSG000001342426007161p13.2protein tyrosine phosphatase non-receptor type 2223603761[PMID]
STAT4Major susceptibility factor inAssessedHGNC:11365ENSG000001383786005582q32.2-q32.3signal transducer and activator of transcription 423603761[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalence1-5 / 10 00020.5 / 100 000EuropeValue and classNot yet validatedORPHANET

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

20 annotations · validated 2021-05-21
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0003493Antinuclear antibody positivity
HP:0001369Arthritis
HP:0040313Oligoarthritis
Frequent (79-30%)
HP:0011117Abnormal circulating interleukin concentration
HP:0003028Abnormality of the ankles
HP:0002960Autoimmunity
HP:0003565Elevated erythrocyte sedimentation rate
HP:0001508Failure to thrive
HP:0030356Increased serum interferon-gamma level
HP:0001382Joint hypermobility
HP:0005086Knee osteoarthritis
HP:0000554Uveitis
Occasional (29-5%)
HP:0007833Anterior chamber synechiae
HP:0000585Band keratopathy
HP:0007663Reduced visual acuity
HP:0001370Rheumatoid arthritis
HP:0008850Severe postnatal growth retardation
HP:0000572Visual loss
Very rare (<4-1%)
HP:0000518Cataract
HP:0000501Glaucoma

Run the differential on the 3 obligate / very frequent terms

Annotation source: 28428675[PMID]_26968301[PMID]_21621220[PMID]_21320644[PMID]_28052441[PMID]

7

Sources for this card