raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:101101

Charcot-Marie-Tooth disease type 2B2

Synonyms: AR-CMT2B2 · Autosomal recessive axonal CMT4C3 · Autosomal recessive axonal Charcot-Marie-Tooth disease type 2B2

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

Charcot-Marie-Tooth disease, type 2B2 (CMT2B2, also referred to as CMT4C3) is an axonal CMT peripheral sensorimotor polyneuropathy that has been described in a large consanguineous Costa Rican family of Spanish ancestry.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCharcot-Marie-Tooth disease type 2B2AR-CMT2B2 · Autosomal recessive axonal CMT4C3 · Autosomal recessive axonal Charcot-Marie-Tooth disease type 2B2
frMaladie de Charcot-Marie-Tooth type 2B2AR-CMT2B2 · CMT4C3 axonale autosomique récessive · Maladie de Charcot-Marie-Tooth type 2B2 axonale autosomique récessive
deCharcot-Marie-Tooth-Krankheit Typ 2B2AR-CMT2B2 · Charcot-Marie-Tooth-Krankheit, axonale, autosomal-rezessive, Typ 2B2
esEnfermedad de Charcot-Marie-Tooth tipo 2B2
itMalattia di Charcot-Marie-Tooth, tipo 2B2CMT4C3 assonale autosomica recessiva · Malattia assonale di Charcot-Marie-Tooth, autosomica recessiva, tipo 2B2
nlZiekte van Charcot-Marie-Tooth type 2B2AR-CMT2B2 · Autosomaal recessieve axonale CMT4C3 · Autosomaal recessieve axonale ziekte van Charcot-Marie-Tooth type 2B2
ptDoença de Charcot-Marie-Tooth tipo 2B2
plChoroba Charcota, Mariego i Tootha typu 2B2AR-CMT2B2 · Autosomalna recesywna aksonalna choroba Charcota, Mariego i Tootha typu 2B2 · Autosomalna recesywna aksonalna CMT4C3
csCharcotova-Marieova-Toothova nemoc, typ 2B2AR-CMT2B2 · Autozomálně recesivní axonální CMT4C3 · Autozomálně recesivní axonální Charcotova-Marieova-Toothova nemoc, typ 2B2 · Charcot-Marie-Toothova nemoc, typ 2B2 · Autozomálně recesivní axonální Charcot-Marie-Toothova nemoc, typ 2B2
ukХвороба Шарко-Марі-Тута, тип 2B2AR-CMT2B2 · Аутосомно-рецесивна аксональна хвороба Шарко-Марі-Тута, тип 2B2 · Аутосомно-рецесивний аксональний CMT4C3
zh夏科-马里-图斯病2B2型常染色体隐性遗传轴索性CMT2B2型
trCharcot-Marie-Tooth hastalığı tipi 2B2AR-CMT2B2 · Otozomal çekinik aksonal CMT4C3 · Otozomal çekinik aksonal Charcot-Marie-Tooth hastalığı tip 2B2

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM605589Evalidated
ICD-10G60.0NTBTattributedvalidated
ICD-118C20.1NTBTindexvalidated
MONDO0011570Evalidated
MeSHC537991Evalidated
UMLSC1854150Evalidated

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
PNKPDisease-causing germline mutation(s) inAssessedHGNC:9154ENSG0000003965060561019q13.33polynucleotide kinase 3'-phosphatase30039206[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families1 familiesWorldwideFamily(ies)Validated11112660[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_11112660[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