raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2467

Systemic mastocytosis

Type
Clinical group
Group
Group of disorders
Inheritance
Not applicable
Age of onset
All ages
Status
active

A heterogeneous group of rare, acquired and chronic hematological malignancies related to an abnormal accumulation/proliferation of neoplastic mast cells (MCs) in one or several organs, mainly the bone marrow (BM), associated frequently with skin involvement.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSystemic mastocytosis
frMastocytose systémique
deMastozytose, systemische
esMastocitosis sistémicaSíndrome de activación mastocitaria
itMastocitosi sistemicaMalattia dei mastociti
nlSystemische mastocytoseMestcelziekte
ptMastocitose sistémicaDoença de mastócitos
plMastocytoza układowaChoroba komórek tucznych
csSystémová mastocytózaNemoc žírných buněk
ukСистемний мастоцитоз
zh系统性肥大细胞增多症
trSistemik mastositoz

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10C96.2Especificvalidated
ICD-112A21.0Especificvalidated
MONDO0016586Evalidated
MONDO16586Evalidated
MeSHD034721Evalidated
UMLSC0221013Evalidated
GARD8616Evalidated
MedDRA10042949Evalidated

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):

Children (6):

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

7 records
TypeClassValueAreaQualificationValidationSource
Annual incidence1-9 / 1 000 0000.3 / 100 000ItalyValue and classValidated8645532[PMID]
Point prevalence1-5 / 10 000—WorldwideClass onlyValidated[EXPERT]_ORPHANET
Annual incidence1-9 / 1 000 0000.9 / 100 000DenmarkValue and classValidated24761987[PMID]
Point prevalence1-9 / 100 0009.6 / 100 000DenmarkValue and classValidated24761987[PMID]
Annual incidence1-9 / 1 000 0000.6 / 100 000EuropeValue and classValidated24761987[PMID]_8645532[PMID]
Point prevalence1-5 / 10 00013 / 100 000NetherlandsValue and classValidated23219169[PMID]
Point prevalence1-5 / 10 00011.3 / 100 000EuropeValue and classValidated23219169[PMID]_24761987[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

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card