raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:580933

Lethal brain and heart developmental defects

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Antenatal
Status
active

A rare genetic lethal multiple congenital anomalies/dysmorphic syndrome characterized by early intrauterine growth retardation, generalized edema, craniofacial dysmorphism (such as microcephaly, brachycephaly, frontal bossing, hypertelorism, short palpebral fissures, or absent nasal bone), cerebellar hypoplasia, sex reversal in male fetuses, congenital heart defects (including septal and valve defects and cardiomegaly), and late fetal loss.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enLethal brain and heart developmental defects
frAnomalies létales du développement cardiaque et cérébral
deGehirn- und Herzentwicklungsdefekte, letale
esDefectos del desarrollo cerebral y cardíaco letales
itDifetti letali dello sviluppo cerebrale e cardiaco
nlLetale ontwikkelingsdefecten van hersenen en hart
ptDefeitos do desenvolvimento cardíaco e cerebral fatais
plLetalne wady rozwojowe mózgu i serca
csLetální vývojové vady mozku a srdce
ukЛетальні вади розвитку мозку та серця
zh致命的脑和心脏发育缺陷
trLetal beyin ve kalp gelişim defektleri

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q87.8NTBTattributedvalidated
ICD-11LD2F.1YNTBTattributedvalidated
MONDO0035581Evalidated
UMLSC5688452Evalidated

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 (4):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
SIRT6Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:14934ENSG0000007746360621119p13.3sirtuin 629555651[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families4 casesWorldwideCase(s)Validated29555651[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated29555651[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