raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:100043

Autosomal dominant intermediate Charcot-Marie-Tooth disease type A

Synonyms: CMTDIA

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

A rare hereditary motor and sensory neuropathy characterized by intermediate motor median nerve conduction velocities (usually between 25 and 45 m/s) and signs of both demyelination and axonal degeneration in nerve biopsies. It presents with usual clinical features of Charcot-Marie-Tooth disease (progressive muscle weakness and atrophy of the distal extremities, distal sensory loss, reduced or absent deep tendon reflexes, and feet deformities) in the first to second decade of life with steady progression until the fourth decade, severe progression and stabilization afterwards.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAutosomal dominant intermediate Charcot-Marie-Tooth disease type ACMTDIA
frMaladie de Charcot-Marie-Tooth intermédiaire autosomique dominante A= en
deCharcot-Marie-Tooth-Krankheit, autosomal-dominante, intermediäre, Typ A= en
esEnfermedad de Charcot-Marie-Tooth intermedia autosómica dominante tipo A= en
itMalattia di Charcot-Marie-Tooth autosomica dominante intermedia, tipo A= en
nlAutosomaal dominante intermediaire ziekte van Charcot-Marie-Tooth type A= en
ptDoença de Charcot-Marie-Tooth intermédia autossómica dominante tipo A
plAutosomalna dominująca pośrednia choroba Charcota, Mariego i Tootha typu A= en
csAutozomálně dominantní středně závažná Charcotova-Marieova-Toothova nemoc, typ ACMTDIA · Autozomálně dominantní středně závažná Charcot-Marie-Toothova nemoc, typ A
ukАутосомно-домінантна помірно виражена хвороба Шарко-Марі-Тута, тип А= en
zh常染色体显性遗传中间型夏科-马里-图斯病A型= en
trOtozomal dominant orta seviyeli Charcot-Marie-Tooth hastalığı tip A= en

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM606483Evalidated
ICD-10G60.0NTBTattributedvalidated
ICD-118C20.2NTBTindexvalidated
MONDO0011675Evalidated
MeSHC564702Evalidated
UMLSC1847896Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

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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/families20 casesWorldwideCase(s)Validated11533914[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_11533914[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