raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:75233

Wolman disease

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal recessive
Age of onset
Infancy, Neonatal
Status
active

A severe form of lysosomal acid lipase deficiency characterized by rapidly progressive lipid accumulation in organs and tissues that presents in the neonatal or infantile period with massive hepatosplenomegaly, liver failure, diarrhea/steatorrhea and vomiting.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enWolman disease
frMaladie de Wolman
deWolman-Krankheit
esEnfermedad de Wolman
itMalattia di Wolman
nlZiekte van Wolman
ptDoença de Wolman
plChoroba Wolmana
csWolmanova nemoc
ukХвороба Вольмана
zh酸性脂酶缺乏症
trWolman hastalığı

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM620151Evalidated
ICD-10E75.5NTBTinclusionvalidated
ICD-115C56.0YNTBTindexvalidated
MONDO0019148Evalidated
MeSHD015223Evalidated
UMLSC0043208Evalidated
GARD7899Evalidated
MedDRA10053687Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
LIPADisease-causing germline mutation(s) (loss of function) inAssessedHGNC:6617ENSG0000010779861349710q23.31lipase A, lysosomal acid type22227072[PMID]_26225414[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 1 000 0000.19 / 100 000AustraliaValue and classValidated9918480[PMID]
Point prevalenceUnknown—WorldwideClass onlyValidated[EXPERT]

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

17 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0003270Abdominal distention
HP:0010512Adrenal calcification
HP:0001263Global developmental delay
HP:0001399Hepatic failure
HP:0002240Hepatomegaly
HP:0002017Nausea and vomiting
HP:0002570Steatorrhea
Frequent (79-30%)
HP:0001903Anemia
HP:0001541Ascites
HP:0004326Cachexia
HP:0001510Growth delay
HP:0004395Malnutrition
HP:0001744Splenomegaly
Occasional (29-5%)
HP:0000846Adrenal insufficiency
HP:0004333Bone-marrow foam cells
HP:0002040Esophageal varix
HP:0001945Fever

Run the differential on the 7 obligate / very frequent terms

Annotation source: 26225414[PMID]

7

Sources for this card