raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:609

Tibial muscular dystrophy

Synonyms: Finnish tibial muscular dystrophy · TMD · Udd myopathy · Distal myopathy, Udd type · Distal titinopathy

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

Tibial muscular dystrophy (TMD) is a distal myopathy characterized by weakness of the muscles of the anterior compartment of lower limbs, appearing in the fourth to seventh decade of life.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enTibial muscular dystrophyFinnish tibial muscular dystrophy · TMD · Udd myopathy · Distal myopathy, Udd type · Distal titinopathy
frDystrophie musculaire tibialeDMT · Myopathie d'Udd · Myopathie distale type Udd · TMD · Titinopathie distale
deMuskeldystrophie, tibialeDistale Myopathie nach Udd · Distale Titinopathie · Finnische tibiale Muskeldystrophie · TMD · Udd-Myopathie
esDistrofia muscular tibialDistrofia muscular tibial finlandesa · Miopatía de Udd · Miopatía distal tipo Udd · TMD · Titinopatía distal
itDistrofia muscolare della tibiaDistrofia muscolare tibiale finlandese · Miopatia di Udd · Miopatia distale, tipo Udd · TMD · Titinopatia distale
nlTibiale spierdystrofieDistale myopathie, Udd-type · Distale titinopathie · Finse tibiale spierdystrofie · Myopathie, Udd-type · TMD
ptDistrofia muscular tibialMiopatia tibial de Udd
plPiszczelowa dystrofia mięśniowaFińska piszczelowa dystrofia mięsniowa · Miopatia dystalna, typ Udd · Miopatia Udd · Tytynopatia dystalna · TMD
csTibiální svalová dystrofieDistální titinopatie · Finnishova tibiální svalová dystrofie · TMD · Uddova myopatie · Distální mopatie, Uddův typ
ukМязова дистрофія великогомілкової кісткиДистальна міопатія, тип Udd · Дистальна титинопатія · Фінська мязова дистрофія великогомілкової кістки · TMD · Міопатія Удд
zh胫骨肌营养不良症芬兰型胫骨肌营养不良症
trTibial kas distrofisiTMD · Udd miyopati · Distal titinopati · Distal miyopati, Udd tipi · Fin tipi tibiyal kas distrofisi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM600334Evalidated
ICD-10G71.0NTBTattributedvalidated
ICD-118C75NTBTindexvalidated
MONDO0010870Evalidated
UMLSC1450052Evalidated

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
TTNDisease-causing germline mutation(s) inAssessedHGNC:12403ENSG000001556571888402q31.2titin20301498[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 100 0006 / 100 000EuropeValue and classValidated24395473[PMID]
Point prevalence1-5 / 10 00020 / 100 000FinlandValue and classValidated24395473[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

19 annotations · validated 2018-07-11
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0031374Ankle weakness
HP:0003687Centrally nucleated skeletal muscle fibers
HP:0003458EMG: myopathic abnormalities
HP:0009027Foot dorsiflexor weakness
HP:0001288Gait disturbance
HP:0009058Increased muscle lipid content
HP:0003557Increased variability in muscle fiber diameter
HP:0008180Mildly elevated creatine kinase
HP:0003198MyopathyDiagnostic criterion
HP:0009049Peroneal muscle atrophy
HP:0003805Rimmed vacuoles
HP:0003376Steppage gait
Occasional (29-5%)
HP:0002312Clumsiness
HP:0008994Proximal muscle weakness in lower limbs
HP:0003731Quadriceps muscle weakness
Very rare (<4-1%)
HP:0008959Distal upper limb muscle weakness
Excluded (0%)
HP:0001638Cardiomyopathy
HP:0002878Respiratory failure
HP:0009077Weakness of long finger extensor muscles

Annotation source: 22197426[PMID]_15728284[PMID]_9855539[PMID]_9497249[PMID]_12891679[PMID]

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Sources for this card