raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:324381

Hereditary inclusion body myopathy type 4

Synonyms: HIBM4

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

Hereditary inclusion body myopathy type 4 is a rare non-dystrophic myopathy characterized by slowly progressive muscular weakness and atrophy initially involving proximal lower limbs and hip girdle and later on shoulder girdle, proximal upper limbs and axial muscles. Ambulation is usually preserved. Congophilic inclusions with cytoplasmic inclusions of 15-21 nm filaments on electron microscopy are revealed in muscle biopsy.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHereditary inclusion body myopathy type 4HIBM4
frMyopathie à corps d'inclusion héréditaire type 4HIBM4 · Myopathie à inclusions héréditaire type 4
deEinschlusskörperchenmyopathie, hereditäre, Typ 4= en
esMiopatía hereditaria por cuerpos de inclusión tipo 4= en
itMiopatia ereditaria da corpi inclusi, tipo 4= en
nlErfelijke inclusielichaammyopathie type 4= en
ptMiopatia hereditárica com corpos de inclusão, tipo 4
plDziedziczna miopatia ciałek wtrętowych typu 4= en
csHereditární myozitida s inkluzními tělísky, typ 4= en
ukСпадкова міопатія з інклюзивними тілами, тип 4= en
zh遗传性包涵体肌病4型= en
trKalıtsal inklüzyon vücut miyopatisi tip 4= en

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10G71.8NTBTattributedvalidated
MONDO0017931Evalidated
UMLSC4749501Evalidated

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

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families17 casesWorldwideCase(s)Validated22723986[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

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