raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:521450

LAMA5-related multisystemic syndrome

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

A rare genetic systemic or rheumatologic disease characterized by infantile onset of skin anomalies (such as delayed wound healing with atrophic scars and mild alopecia with dry and brittle hair), retinal rod degeneration with night blindness, degenerative myopathy with muscle weakness, myalgia, and cramps, osteoarthritis, joint laxity, prolapse of internal organs, floating kidney syndrome, malabsorption syndrome, and hypothyroidism. The phenotype has been reported to be more severe in women than in men.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enLAMA5-related multisystemic syndrome
frSyndrome multisystémique lié à LAMA5
deLAMA5-assoziiertes multisystemisches Syndrom
esSíndrome multisistémico asociado a LAMA5
itMalattia multisistemica correlata a LAMA5
nlLAMA5-gerelateerd multisystemisch syndroom
ptSíndrome multissistémico LAMA5-relacionado
plZespół wieloukładowy związany z LAMA5
csLAMA5-vázaný multisystémový syndrom
ukМультисистемний синдром, повязаний з LAMA5
zhLAMA5基因相关的多系统综合征
trLAMA5-ilişkili multisistemik sendrom

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10M79.8NTBTattributednot yet validated
ICD-11FB56.6NTBTattributedvalidated
MONDO0033856Evalidated
UMLSC5681442Evalidated

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 (2):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
LAMA5Disease-causing germline mutation(s) inAssessedHGNC:6485ENSG0000013070260103320q13.33laminin subunit alpha 528735299[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families11 casesWorldwideCase(s)Validated28735299[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_28735299[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