raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:466806

Autosomal dominant thrombocytopenia with platelet secretion defect

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Childhood
Status
active

A rare isolated constitutional thrombocytopenia characterized by reduced platelet count and defective platelet ATP secretion, resulting in increased bleeding tendency. Clinical manifestations are easy bruising, gum bleeding, menorrhagia, spontaneous epistaxis, spontaneous muscle hematoma, and potential postpartum hemorrhage, among others.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAutosomal dominant thrombocytopenia with platelet secretion defect
frThrombocytopénie autosomique dominante avec défaut de sécrétion plaquettaire
deAutosomal-dominante Thrombozytopenie mit Defekt der Plättchensekretion
esTrombocitopenia autosómica dominante con defecto de la secreción plaquetaria
itTrombocitopenia autosomica dominante con difetto della secrezione delle piastrine
nlAutosomaal dominante trombocytopenie met defect van bloedplaatjessecretie
ptTrombocitopenia autossómica dominante com defeito da secreção plaquetária
plAutosomalna dominująca małopłytkowość z defektem sekrecji płytkowej
csAutozomálně dominantní trombocytopenie s poruchou sekrece destiček
ukАутосомно-домінантна тромбоцитопенія з дефектом секреції тромбоцитів
zh常染色体显性血小板减少症伴血小板分泌缺陷
trTrombosit sekresyon defekti ile seyreden otozomal dominant trombositopeni

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM616913BTNTvalidated
OMIM619130BTNTvalidated
ICD-10D69.4NTBTattributedvalidated
ICD-113B64.01NTBTattributedvalidated
MONDO14830Evalidated
UMLSC5568864Evalidated

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
SLFN14Disease-causing germline mutation(s) inAssessedHGNC:32689ENSG0000023632061495817q12schlafen family member 1426280575[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families4 familiesWorldwideFamily(ies)Validated26280575[PMID]_26769223[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_26280575[PMID]_26769223[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