raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:397755

Periodic paralysis with transient compartment-like syndrome

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

A rare genetic neuromuscular channelopathy characterized by normokalemic episodes of painful muscle cramping followed by progressive, permanent, flaccid weakness, triggered by stress, cold and exercise, associated with myopathic myopathy and painful acute edema with neuronal compression, foot drop and muscle degeneration when located in the tibialis anterior muscle group.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPeriodic paralysis with transient compartment-like syndrome
frParalysie périodique avec pseudo-syndrome des loges transitoire
dePeriodische Paralyse mit transienten Kompartment-ähnlichem Syndrom
esParálisis periódica con síndrome similar al compartimental transitorio
itParalisi periodica con sindrome transitoria simil-compartimentale
nlPeriodieke paralyse met voorbijgaand compartimentachtig syndroom
ptParalisia periódica com síndrome compartimental -like transitória
plPorażenie okresowe z przemijającym zespołem podobnym do zespołu ciasnoty
csPeriodická paralýza s tranzientním compartment-like syndromem
ukПеріодичний параліч з транзиторним куперозним синдромом
zh周期性麻痹伴短暂间隔室样综合征
trGeçici kompartman-benzeri sendromu ile seyreden periyodik paraliz

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10G72.3NTBTattributedvalidated
MONDO0018344Evalidated
UMLSC4751572Evalidated

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 (3):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CACNA1SDisease-causing germline mutation(s) inAssessedHGNC:1397ENSG000000812481142081q32.1calcium voltage-gated channel subunit alpha1 S24240197[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families4 casesWorldwideCase(s)Validated24240197[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_24240197[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