raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:329894

Juvenile overlap myositis

Type
Disease
Group
Disorder
Inheritance
Not applicable
Age of onset
Adolescent, Childhood
Status
active

A rare juvenile idiopathic inflammatory myopathy characterized by the association of inflammatory myositis (manifesting with acral erythema, progressive weakness of the limbs, pain, general fatigue, moodiness or crankiness) with clinical and/or laboratory features of other autoimmune diseases (e.g. systemic lupus erythematosus, localized scleroderma, diabetes). Cardiac involvement has been reported in some patients.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enJuvenile overlap myositis
frMyosite de chevauchement juvénile
deMyositis-Overlap-Syndrom, juveniles
esMiositis de solapamiento juvenil
itMiosite giovanile sovrapposta
nlJuveniele overlapmyositis
ptMiosite juvenil de sobreposição
plZespół nakładania młodzieńczego zapalenia mięśni
csJuvenilní dermato-myozitida
ukЮвенільний Overlap-міозит
zh青少年重叠性肌炎
trJuvenil örtüşen miyozit

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10M33.0NTBTattributedvalidated
MONDO0018011Evalidated
UMLSC4707728Evalidated

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

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

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

7

Sources for this card