raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:79447

X-linked lethal multiple pterygium syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
X-linked dominant, X-linked recessive
Age of onset
Antenatal, Neonatal
Status
active

X-linked lethal multiple pterygium syndrome is a rare, genetic, developmental defect during embryogenesis characterized by the typical lethal multiple pterygium syndrome presentation (comprising of multiple pterygia, severe arthrogryposis, cleft palate, cystic hygromata and/or fetal hydrops, skeletal abnormalities and fetal death in the 2nd or 3rd trimester) with an X-linked pattern of inheritance.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enX-linked lethal multiple pterygium syndrome
frForme létale liée à l'X du syndrome des ptérygiums multiples
deMultiples Pterygium-Syndrom, letales, X-chromosomales
esSíndrome de pterigium múltiple letal ligado al cromosoma X
itSindrome letale degli pterigi multipli legata all'X
nlX-gebonden letaal multipele pterygium-syndroom
ptSíndrome de pterígio múltiplo letal ligado ao X
plŚmiertelny zespół mnogich płetwistości sprzężony z chromosomem X
csX-vázaný letální syndrom mnohočetných pterygií
ukХ-зчеплений летальний синдром множинної птеригії
zhX连锁致命性多发性翼状胬肉综合征
trX'e bağlı letal çoklu piterjiyum sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM312150Evalidated
ICD-10Q79.8NTBTattributedvalidated
ICD-11LD26.40NTBTindexvalidated
MONDO0010716Evalidated
UMLSC4706472Evalidated
GARD4573Evalidated

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/families6 familiesWorldwideFamily(ies)Validated9916854[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_9916854[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