raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:137675

Histiocytoid cardiomyopathy

Synonyms: Foamy myocardial transformation of infancy · Infantile cardiomyopathy with histiocytoid change · Infantile xanthomatous cardiomyopathy · Oncocytic cardiomyopathy

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive, Unknown, X-linked dominant
Age of onset
Infancy, Neonatal
Status
active

A rare arrhythmogenic disorder characterized by cardiomegaly, severe cardiac arrhythmias or sudden death, and the presence of histiocyte-like cells within the myocardium.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHistiocytoid cardiomyopathyFoamy myocardial transformation of infancy · Infantile cardiomyopathy with histiocytoid change · Infantile xanthomatous cardiomyopathy · Oncocytic cardiomyopathy
frCardiomyopathie histiocytoïdeCardiomyopathie oncocytique · Cardiomyopathie xanthomateuse infantile
deKardiomyopathie, histiozytoideKardiomyopathie mit histiozytären Veränderungen, infantile Form · Kardiomyopathie, onkozytische · Kardiomyopathie, xanthomatöse, infantile Form
esMiocardiopatía histiocitoideCardiomiopatía histiocitoide · Miocardiopatia infantil con cambios histiocitoides · Miocardiopatía oncocítica · Miocardiopatía xantomatosa infantil · Transformacion miocárdica espumosa de la infancia
itCardiomiopatia istiocitoideCardiomiopatia oncocitica · Cardiomiopatia xantomatosa infantile
nlHistiocytoïde cardiomyopathieFoamy myocardtransformatie in de kinderjaren · Infantiele cardiomyopathie met histiocytoïde verandering · Infantiele xanthomateuze cardiomyopathie · Oncocytische cardiomyopathie
ptMiocardiopatia histiocitóide
plKardiomiopatia histiocytarnaDziecięca kardiomiopatia ksantynowa · Dziecięca kardiomiopatia ze zmianami histiocytarnymi · Kardiomiopatia onkocytarna · Spienione przekształcenie mięśnia sercowego u niemowląt
csHistiocytoidní kardiomyopatieInfantilní xantomatózní kardiomyopatie · Onkocytická kardiomyopatie · Infantilní kardiomyopatie s histiocytoidními změnami
ukГістіоцитоїдна кардіоміопатіяПіниста трансформація міокарда в дитячому віці · Дитяча кардіоміопатія з гістіоцитоїдними змінами · Дитяча ксантоматозна кардіоміопатія · Онкоцитарна кардіоміопатія
zh组织细胞样心肌病婴幼儿心肌病伴组织细胞样变
trHistiyositoid kardiyomiyopatiOnkositik kardiyomiyopati · İnfantil ksantomatöz kardiyomiyopati · Bebeklik dönemi köpüklü miyokardiyal dönüşümü · Histiyositoid değişiklik ile seyreden infantil kardiyomiyopati

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM212080BTNTvalidated
OMIM500000Evalidated
ICD-10I42.0NTBTattributedvalidated
ICD-11BC43.00NTBTindexvalidated
MONDO0010771Evalidated
MeSHC535584Evalidated
UMLSC1708371Evalidated
GARD9511Evalidated

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 (3):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
MT-CYBCandidate gene tested inNot yet assessedHGNC:7427ENSG00000198727516020mitochondriamitochondrially encoded cytochrome b10960495[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated25921236[PMID]_ORPHANET
Cases/families100 casesWorldwideCase(s)Validated25921236[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

44 annotations · validated 2019-11-22
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001649Tachycardia
Frequent (79-30%)
HP:0004755Supraventricular tachycardia
HP:0004756Ventricular tachycardia
Occasional (29-5%)
HP:0001678Atrioventricular block
HP:0001640Cardiomegaly
HP:0001635Congestive heart failure
HP:0012735Cough
HP:0000961Cyanosis
HP:0002329Drowsiness
HP:0003546Exercise intolerance
HP:0001508Failure to thrive
HP:0001945Fever
HP:0002240Hepatomegaly
HP:0011716Junctional ectopic tachycardia
HP:0000980Pallor
HP:0011712Right bundle branch block
HP:0002401Stroke-like episode
HP:0002789Tachypnea
HP:0002013Vomiting
HP:0001716Wolff-Parkinson-White syndrome
Very rare (<4-1%)
HP:0001274Agenesis of corpus callosum
HP:0005110Atrial fibrillation
HP:0004749Atrial flutter
HP:0002438Cerebellar malformation
HP:0000175Cleft palate
HP:0007707Congenital aphakia
HP:0007957Corneal opacity
HP:0002301Hemiplegia
HP:0000238Hydrocephalus
HP:0001943Hypoglycemia
HP:0003128Lactic acidosis
HP:0005950Laryngeal web
HP:0001254Lethargy
HP:0007185Loss of consciousness
HP:0000485Megalocornea
HP:0000568Microphthalmia
HP:0000648Optic atrophy
HP:0000147Polycystic ovaries
HP:0100598Pulmonary edema
HP:0000107Renal cyst
HP:0001250Seizure
HP:0005165Shortened PR interval
HP:0001907Thromboembolism
HP:0001629Ventricular septal defect

Run the differential on the 1 obligate / very frequent terms

Annotation source: 7942464[PMID]_27504452[PMID]

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Sources for this card