raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1216

Autosomal dominant congenital benign spinal muscular atrophy

Synonyms: Autosomal dominant benign distal spinal muscular atrophy · Congenital benign spinal muscular atrophy with contractures · Congenital nonprogressive spinal muscular atrophy

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

A rare distal hereditary motor neuropathy, with a variable clinical phenotype, typically characterized by congenital, non-progressive, predominantly distal, lower limb muscle weakness and atrophy and congenital (or early-onset) flexion contractures of the hip, knee and ankle joints. Reduced or absent lower limb deep tendon reflexes, skeletal anomalies (bilateral talipes equinovarus, scoliosis, kyphoscoliosis, lumbar hyperlordisis), late ambulation, waddling gait, joint hyperlaxity and/or bladder and bowel dysfuntion are usually also associated.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAutosomal dominant congenital benign spinal muscular atrophyAutosomal dominant benign distal spinal muscular atrophy · Congenital benign spinal muscular atrophy with contractures · Congenital nonprogressive spinal muscular atrophy
frAmyotrophie spinale bénigne congénitale autosomique dominanteAmyotrophie spinale bénigne congénitale avec contractures · Amyotrophie spinale congénitale non progressive · Amyotrophie spinale distale bénigne autosomique dominante
deKongenitale benigne spinale Muskelatrophie, autosomal-dominante FormKongenitale benigne spinale Muskelatrophie mit Krampfanfällen · Spinale Muskelatrophie, benigne, autosomal-dominante · Spinale Muskelatrophie, kongenitale nicht-progressive
esAtrofia muscular espinal benigna congénita autosómica dominanteAtrofia muscular espinal benigna congénita con contracturas · Atrofia muscular espinal congénita no regresiva · Atrofia muscular espinal distal benigna autosómica dominante
itAtrofia muscolare spinale congenita benigna autosomica dominante
nlAutosomaal dominante congenitale goedaardige spinale spieratrofieAutosomaal dominante goedaardige distale spinale spieratrofie · Congenitale goedaardige spinale spieratrofie met contracturen · Congenitale niet-progressieve spinale spieratrofie
ptAtrofia muscular espinhal congénita benigna autossómica dominante
plAutosomalny dominujący wrodzony łagodny rdzeniowy zanik mięśniWrodzony niepostępujący rdzeniowy zanik mięśni · Autosomalny dominujący łagodny rdzeniowy zanik mięśni dystalnych · Wrodzony łagodny rdzeniowy zanik mięśni z przykurczami
csAutozomálně dominantní vrozená benigní spinální svalová atrofieVrozená benigní spinální svalová atrofie s kontrakturami · Vrozená neprogresivní spinální svalová atrofie · Autozomálně dominantní benigní distální spinální svalová atrofie
ukАутосомно-домінантна вроджена доброякісна спінальна мязова атрофіяАутосомно-домінантна доброякісна дистальна спінальна мязова атрофія · Вроджена доброякісна спінальна мязова атрофія з контрактурами · Вроджена непрогресуюча спінальна мязова атрофія
zh常染色体显性遗传先天性良性脊髓性肌萎缩先天性良性脊髓性肌萎缩伴挛缩
trOtozomal dominant doğumsal selim spinal müsküler atrofiDoğumsal ilerleyici olmayan spinal kas atrofi · Otozomal dominant selim distal spinal kas atrofisi · Kontraktürlü doğumsal selim spinal kas atrofisi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM600175Evalidated
ICD-10G12.1NTBTattributedvalidated
ICD-118B61.4NTBTindexvalidated
MONDO0010839Evalidated
MeSHC563981Evalidated
UMLSC1838492Evalidated
GARD1474Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
TRPV4Disease-causing germline mutation(s) inAssessedHGNC:18083ENSG0000011119960542712q24.11transient receptor potential cation channel subfamily V member 424830047[PMID]_22526352[PMID]
5

Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

5 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0004326Cachexia
HP:0003693Distal amyotrophy
HP:0001252Hypotonia
HP:0001387Joint stiffness
HP:0008964Nonprogressive muscular atrophy

Run the differential on the 5 obligate / very frequent terms

7

Sources for this card