raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:247724

Idiopathic eosinophilic myositis

Synonyms: Idiopathic eosinophilia-associated myopathy

Type
Disease
Group
Disorder
Inheritance
Not applicable
Status
active

A rare idiopathic inflammatory myopathy characterized by eosinophilic infiltration and inflammatory lesions of the skeletal muscle tissue, in the absence of an identifiable causative factor (e.g. parasitic infection, drug intake, systemic or malignant disease). Clinically patients may present focal or generalized muscle weakness and pain, difficulties to walk, motor clumsiness and/or mild bilateral Achilles tendon contracture , as well as elevated serum creatine kinase levels and peripheral blood and/or bone marrow hypereosinophilia.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIdiopathic eosinophilic myositisIdiopathic eosinophilia-associated myopathy
frMyosite éosinophile idiopathique
deIdiopathische eosinophile MyositisEosinophilie-assoziierte Myopathie, idiopathisch
esMiositis eosinofílica idiopáticaMiopatía asociada a eosinofilia idiopática
itMiosite eosinofila idiopatica
nlIdiopathische eosinofiele myositisIdiopathische myopathie geassocieerd met eosinofilie
ptMiosite eosinofílica idiopática
plIdiopatyczne eozynofilowe zapalenie mięśni= en
csIdiopatická eosinofilní myozitida= en
ukІдіопатичний еозинофільний міозитІдіопатична міопатія, повязана з еозинофілією
zh特发性嗜酸性肌炎特发性嗜酸性肌病
trİdiyopatik eozinofilik miyozitİdiyopatik eozinofili-ilişkili miyopati

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10M60.8NTBTattributedvalidated
MONDO0016610Evalidated
UMLSC4755301Evalidated

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