raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:178461

X-linked myopathy with postural muscle atrophy

Synonyms: XMPMA

Type
Disease
Group
Disorder
Inheritance
X-linked recessive
Age of onset
Adult
Status
active

A rare progressive muscular dystrophy characterized by an adult-onset scapulo-axio-peroneal myopathy. Clinical presentation includes shoulder girdle atrophy, scapular winging, axial muscular atrophy of postural muscles combined with a generalized hypertrophy. Typically, neck rigidity, rigid spine, Achilles tendon shortening, and respiratory insufficiency later in disease course are present.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enX-linked myopathy with postural muscle atrophyXMPMA
frMyopathie liée à l'X avec atrophie des muscles posturaux= en
deX-chromosomale Myopathie mit posturaler Muskelatrophie= en
esMiopatía ligada al cromosoma X con atrofia de la musculatura postural= en
itMiopatia legata all'X con atrofia muscolare posturale
nlX-gebonden myopathie met posturale spieratrofieX-gebonden myopathie met posturale musculaire atrofie · XMPMA
ptMiopatia ligada ao X com atrofia dos músculos posturais
plMiopatia sprzężona z chromosomem X z atrofią mięśni posturalnych= en
csX-vázaná myopatie s posturální svalovou atrofií= en
ukХ-зчеплена міопатія з атрофією постуральних мязів= en
zhX连锁的体位性肌萎缩肌病= en
trPostural kas atrofisi ile seyreden X'e bağlı miyopati= en

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM300696Evalidated
ICD-10G71.0NTBTattributedvalidated
ICD-118C70.YNTBTindexvalidated
MONDO0010401Evalidated
UMLSC2678055Evalidated

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
FHL1Disease-causing germline mutation(s) inAssessedHGNC:3702ENSG00000022267300163Xq26.3four and a half LIM domains 118179888[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families7 familiesWorldwideFamily(ies)Validated19687455[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_19687455[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