raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:168940

Chronic eosinophilic leukemia

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

A rare myeloproliferative neoplasm characterized by a clonal proliferation of eosinophilic precursors with persistent increase of eosinophils in peripheral blood and bone marrow, accompanied by increased blasts (<20%) or clonal cytogenetic or molecular genetic abnormalities. Cases with BCR-ABL1, PCM1-JAK2, ETV6-JAK2, or BCR-JAK2 fusion, or rearrangement of PDGFRA, PDGFRB, or FGFR1, are not included in this entity. Infiltration of the liver and spleen, as well as a variety of other organs, is typical. Patients may present with constitutional symptoms and signs and symptoms of organ involvement, such as endomyocardial fibrosis, peripheral neuropathy, central nervous system manifestations, respiratory symptoms, or rheumatological findings. Acute transformation is common.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enChronic eosinophilic leukemia
frLeucémie chronique éosinophile
deLeukämie, chronische eosinophile
esLeucemia eosinofílica crónica
itLeucemia eosinofila cronica
nlChronische eosinofiele leukemie
ptLeucemia eosinofílica crónica
plPrzewlekła białaczka eozynofilowa
csChronická eozinofilní leukémie
ukХронічний еозинофільний лейкоз
zh慢性嗜酸性白血病
trKronik eozinofilik lösemi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10D47.5Especificvalidated
ICD-112A20.3Especificvalidated
MONDO0015687Evalidated
UMLSC0346421Evalidated
MedDRA10065854Evalidated

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

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
FIP1L1Part of a fusion gene inAssessedHGNC:19124ENSG000001452166076864q12factor interacting with PAPOLA and CPSF124764730[PMID]_22523564[PMID]_17988989[PMID]_16502585[PMID]
PDGFRAPart of a fusion gene inAssessedHGNC:8803ENSG000001348531734904q12platelet derived growth factor receptor alpha24764730[PMID]_22523564[PMID]_17988989[PMID]_16502585[PMID]
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