raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:3260

Idiopathic hypereosinophilic syndrome

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

A rare hematologic disease characterized by eosinophilia without evidence of clonality persisting for at least six months, for which no underlying cause can be identified. The condition is associated with signs of organ damage and dysfunction. Clinical manifestations are highly variable, depending on the organ systems involved, and include rapidly developing, life-threatening cardiovascular or neurological complications.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIdiopathic hypereosinophilic syndrome
frSyndrome hyperéosinophilique idiopathique
deHypereosinophiles Syndrom, idiopathisches
esSíndrome hipereosinofílico idiopático
itSindrome ipereosinofila idiopatica
nlIdiopathisch hypereosinofiel syndroom
ptSíndrome hipereosinofílico idiopático
plZespół hipereozynofilowy o nieznanym znaczeniu
csIdiopatický hypereozinofilní syndrom
ukІдіопатичний гіпереозинофільний синдром
zh特发性嗜酸细胞增多综合征
trİdiyopatik hipereozinofilik sendrom

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM607685Evalidated
ICD-10D47.5NTBTattributedvalidated
ICD-114B03.ZNTBTindexvalidated
MONDO0011895Evalidated
UMLSC0206141Evalidated

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

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—EuropeClass onlyValidatedORPHANET_22740191[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

78 annotations · validated 2019-04-25
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001880Increased total eosinophil count
Frequent (79-30%)
HP:0003270Abdominal distention
HP:0001903Anemia
HP:0001945Fever
HP:0100724Hypercoagulability
HP:0001974Increased total leukocyte count
HP:0002863Myelodysplasia
HP:0031323Myocardial eosinophilic infiltration
HP:0000980Pallor
HP:0002098Respiratory distress
Occasional (29-5%)
HP:0002027Abdominal pain
HP:0100665Angioedema
HP:0001785Ankle swelling
HP:0002829Arthralgia
HP:0001369Arthritis
HP:0002099Asthma
HP:0000708Atypical behavior
HP:0000622Blurred vision
HP:0025289Cervical lymphadenopathy
HP:0100749Chest pain
HP:0030151Cholangitis
HP:0002028Chronic diarrhea
HP:0200123Chronic hepatitis
HP:0001217Clubbing
HP:0002583Colitis
HP:0001289Confusion
HP:0001635Congestive heart failure
HP:0012735Cough
HP:0000965Cutis marmorata
HP:0000726Dementia
HP:0001644Dilated cardiomyopathy
HP:0002015Dysphagia
HP:0002094Dyspnea
HP:0000964Eczematoid dermatitis
HP:0002910Elevated circulating hepatic transaminase concentration
HP:0001298Encephalopathy
HP:0001019Erythroderma
HP:0001508Failure to thrive
HP:0008872Feeding difficulties in infancy
HP:0004302Functional motor deficit
HP:0008940Generalized lymphadenopathy
HP:0001433Hepatosplenomegaly
HP:0001347Hyperreflexia
HP:0011123Inflammatory abnormality of the skin
HP:0002170Intracranial hemorrhage
HP:0001386Joint swelling
HP:0002024Malabsorption
HP:0002354Memory impairment
HP:0001324Muscle weakness
HP:0003326Myalgia
HP:0011974Myelofibrosis
HP:0005547Myeloproliferative disorder
HP:0011897Neutrophilia
HP:0001733Pancreatitis
HP:0200034Papule
HP:0003401Paresthesia
HP:0009830Peripheral neuropathy
HP:0002202Pleural effusion
HP:0006580Portal fibrosis
HP:0000989Pruritus
HP:0002204Pulmonary embolism
HP:0002206Pulmonary fibrosis
HP:0002113Pulmonary infiltrates
HP:0030880Raynaud phenomenon
HP:0001250Seizure
HP:0003202Skeletal muscle atrophy
HP:0200036Skin nodule
HP:0003474Somatic sensory dysfunction
HP:0001744Splenomegaly
HP:0005115Supraventricular arrhythmia
HP:0006253Swelling of proximal interphalangeal joints
HP:0001873Thrombocytopenia
HP:0001894Thrombocytosis
HP:0001727Thromboembolic stroke
HP:0002326Transient ischemic attack
HP:0001025Urticaria
HP:0200029Vasculitis in the skin
HP:0002013Vomiting

Run the differential on the 1 obligate / very frequent terms

Annotation source: 26475367[PMID]_15772698[PMID]_22740191[PMID]

7

Sources for this card