raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:495930

Familial monosomy 7 syndrome

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

A rare neoplastic disease characterized by infantile to childhood onset of evidence of bone marrow insufficiency/failure associated with increased risk for myelodysplastic syndrome or acute myeloid leukemia. Most patients present with petechiae, easy bruising, or anemia. Rapid progression is common, and prognosis is generally poor.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFamilial monosomy 7 syndrome
frSyndrome de monosomie 7 familiale
deMonosomie-7-Syndrom, familiäresMyelodysplasie- und Leukämiesyndrom mit Monosomie 7
esSíndrome familiar de monosomía 7
itMonosomia 7 familiare
nlFamiliale monosomie 7 syndroom
ptSíndrome de monossomia do mosaico 7
plZespół rodzinnej mosomii 7
csFamiliární monozomie 7
ukСиндром сімейної моносомії 7
zh家族性7号染色单体综合征
trAilesel monozomi 7 sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM252270BTNTvalidated
OMIM619041BTNTvalidated
ICD-10D46.7NTBTattributedvalidated
ICD-112A3YNTBTattributedvalidated
MONDO0044645Evalidated
UMLSC5681220Evalidated
GARD3765Evalidated

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

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families14 familiesWorldwideFamily(ies)Validated20614583[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_20614583[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