raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:33108

Lethal multiple pterygium syndrome

Synonyms: LMPS · Autosomal recessive lethal multiple pterygium syndrome

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

A rare genetic multiple pterygium syndrome characterized by intrauterine growth retardation, fetal akinesia, multiple joint contractures causing severe arthrogryposis and pterygia (webbing) across multiple joints. Cystic hygroma and/or fetal hydrops are almost invariably present.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enLethal multiple pterygium syndromeLMPS · Autosomal recessive lethal multiple pterygium syndrome
frForme létale du syndrome des ptérygiums multiplesForme létale autosomique récessive du syndrome des ptérygiums multiples · LMPS
deMultiples Pterygium-Syndrom, letalesLMPS · Multiples Pterygium-Syndrom, autosomal-rezessives
esSíndrome de pterigium múltiple letalLMPS · Síndrome de pterigium múltiple letal autosómico recesivo
itSindrome letale da pterigi multipliLMPS · Sindrome letale degli pterigi multipli, autosomica recessiva
nlLetaal multipele pterygium-syndroomAutosomaal recessief letaal multipele pterygium-syndroom · LMPS
ptSíndrome de pterígio múltiplo letal
plŚmiertelny zespół mnogich płetwistościAutosomalny recesywny śmiertelny zespół mnogich płetwistości · LMPS
csLetální syndrom mnohočetných pterygiíLMPS · Autozomálně recesivní letální syndrom mnohočetných pterygií
ukЛетальний синдром множинних птеригіумівАутосомно-рецесивний летальний синдром множинної птеригії · LMPS
zh致死性多发性翼状胬肉综合征常染色体隐性遗传致死性多发性翼状胬肉综合征
trLethal çoklu piterjiyum sendromuLMPS · Otozomal çekinik letal çoklu piterjiyum sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM253290BTNTvalidated
OMIM619334BTNTvalidated
ICD-10Q79.8NTBTattributedvalidated
ICD-11LD26.40NTBTindexvalidated
MONDO0009668Evalidated
UMLSC1854678Evalidated
GARD3834Evalidated

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 (3):

No children.

4

Genes

6 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
RAPSNCandidate gene tested inNot yet assessedHGNC:9863ENSG0000016591760159211p11.2receptor associated protein of the synapse
CHRNA1Disease-causing germline mutation(s) inAssessedHGNC:1955ENSG000001384351006902q31.1cholinergic receptor nicotinic alpha 1 subunit18252226[PMID]
CHRNDDisease-causing germline mutation(s) inAssessedHGNC:1965ENSG000001359021007202q37.1cholinergic receptor nicotinic delta subunit18252226[PMID]
CHRNGDisease-causing germline mutation(s) inAssessedHGNC:1967ENSG000001968111007302q37.1cholinergic receptor nicotinic gamma subunit16826531[PMID]
NEBDisease-causing germline mutation(s) inAssessedHGNC:7720ENSG000001830911616502q23.3nebulin28336317[PMID]
RYR1Disease-causing germline mutation(s) inAssessedHGNC:10483ENSG0000019621818090119q13.2ryanodine receptor 126932181[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families28 familiesWorldwideFamily(ies)ValidatedORPHANET
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

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