raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:98911

Distal myotilinopathy

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

A rare, late adult-onset myofibrillar myopathy characterized by progressive distal muscle weakness associated with peripheral neuropathy and hyporeflexia. Ambulation may be lost within a few years.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enDistal myotilinopathy
frMyotilinopathie distale
deMyotilinopathie, distale
esMiotilinopatía distal
itMiotilinopatia distale
nlDistale myotilinopathie
ptMiotilinopatia
plMiotylinopatia dystalna
csDistální myotilinopatie
ukДистальна міотилінопатія
zh远端肢带型肌营养不良症1A
trDistal miyotilinopati

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM609200NTBTvalidated
ICD-10G71.8NTBTattributedvalidated
ICD-118C76NTBTattributedvalidated
MONDO0012215Evalidated
UMLSC4707358Evalidated

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.

Codes that Orphanet moved or referred to this one:

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
MYOTDisease-causing germline mutation(s) inAssessedHGNC:12399ENSG000001207296041035q31.2myotilin15111675[PMID]_16793270[PMID]_21361873[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 100 0003.9 / 100 000EuropeValue and classValidatedORPHANET

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

37 annotations · validated 2018-12-05
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0030226Abnormal muscle fiber myotilin
HP:0001288Gait disturbance
HP:0001265Hyporeflexia
HP:0003749Pelvic girdle muscle weakness
HP:0009830Peripheral neuropathy
HP:0009063Progressive distal muscle weakness
HP:0003701Proximal muscle weakness
HP:0003547Shoulder girdle muscle weakness
Frequent (79-30%)
HP:0003736Autophagic vacuoles
HP:0003551Difficulty climbing stairs
HP:0003698Difficulty standing
HP:0003693Distal amyotrophy
HP:0002460Distal muscle weakness
HP:0001260Dysarthria
HP:0003458EMG: myopathic abnormalities
HP:0003236Elevated circulating creatine kinase concentration
HP:0012548Fatty replacement of skeletal muscle
HP:0009027Foot dorsiflexor weakness
HP:0012515Hip flexor weakness
HP:0001611Hypernasal speech
HP:0002540Inability to walk
HP:0100297Increased endomysial connective tissue
HP:0003557Increased variability in muscle fiber diameter
HP:0006376Limited elbow flexion
HP:0005085Limited knee flexion/extension
HP:0006794Loss of ability to walk in first decade
HP:0002828Multiple joint contractures
HP:0003552Muscle stiffness
Occasional (29-5%)
HP:0002795Abnormal respiratory system physiology
HP:0001638Cardiomyopathy
HP:0002015Dysphagia
HP:0000297Facial hypotonia
HP:0009073Progressive proximal muscle weakness
HP:0012496Reduced maximal inspiratory pressure
HP:0002792Reduced vital capacity
HP:0002878Respiratory failure
HP:0002093Respiratory insufficiency

Run the differential on the 8 obligate / very frequent terms

Annotation source: 16380616[PMID]_3275904[PMID]_12428213[PMID]_9828127[PMID]_21336781[PMID]

7

Sources for this card