raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:139518

Distal hereditary motor neuropathy type 1

Synonyms: Autosomal dominant distal juvenile spinal muscular atrophy type 1 · dHMN1

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Adolescent, Adult, Childhood
Status
active

Distal hereditary motor neuropathy type 1 is a rare neuromuscular disease characterized by slowly-progressive lower limb muscular weakness and atrophy, without sensory impairment. Additional clinical features may include pes cavus, hammertoe and increased muscle tone.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enDistal hereditary motor neuropathy type 1Autosomal dominant distal juvenile spinal muscular atrophy type 1 · dHMN1
frNeuropathie motrice distale héréditaire type 1Atrophie musculaire spinale distale juvénile autosomique dominante type 1 · dHMN1
deNeuropathie, distale hereditäre motorische, Typ 1Spinale Muskelatrophie, distale, juvenile, autosomal-dominante, Typ 1 · dHMN1
esNeuropatía motora distal hereditaria tipo 1Atrofia muscular espinal distal juvenil autosómica dominante tipo 1 · dHMN1
itNeuropatia motoria ereditaria distale, tipo 1Atrofia muscolare spinale distale giovanile, autosomica dominante, tipo 1 · dHMN1
nlDistale hereditaire motorische neuropathie type 1Autosomaal dominante distale juveniele spinale spieratrofie type 1 · dHMN1
ptNeuropatia, motora, distal, hereditária, tipo 1
plDystalna dziedziczna neuropatia ruchowa typu 1Autosomalny dominujący dystalny młodzieńczy rdzeniowy zanik mięśni typu 1 · dHMN1
csDistální hereditární motorická neuropatie, typ 1dHMN1 · Autozomálně dominantní distální juvenilní spinální svalová atrofie, typ 1
ukДистальна спадкова моторна нейропатія, тип 1Аутосомно-домінантна дистальна юнацька спінальна мязова атрофія, тип 1 · dHMN1
zh远端型遗传性运动神经病1型常染色体显性遗传远端脊髓性肌萎缩1型
trDistal kalıtsal motor nöropati tip 1dHMN1 · Otozomal dominant distal jüvenil spinal kas atrofisi tip 1

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM182960Evalidated
ICD-10G12.2NTBTattributedvalidated
ICD-118B61.4NTBTindexvalidated
MONDO0008451Evalidated
MeSHC566675Evalidated
UMLSC1866784Evalidated

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

0 records

No prevalence record in this release.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card