raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:391392

Familial episodic pain syndrome with predominantly lower limb involvement

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal dominant
Age of onset
Infancy, Neonatal
Status
active

A subtype of familial episodic pain syndrome characterized by intense, episodic and/or cyclic pain mainly localized in the distal lower limbs (occasionally affecting upper limbs as well) which is triggered/exacerbated by fatigue, cold exposure and/or weather changes and alleviated with anti-inflammatory medication, that has a tendancy to diminish in frequency with age. Episodes usually occur late in the day, last 15-30 min and associate sweating and a cold sensation of affected area.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFamilial episodic pain syndrome with predominantly lower limb involvement
frSyndrome douloureux épisodique familial avec atteinte prédominante des membres inférieurs
deFamiliäres episodisches Schmerzsyndrom mit vorwiegender Beteiligung der unteren Körperregion
esSíndrome familiar de dolor episódico con afectación predominante de las extremidades inferiores
itSindrome da dolore episodico familiare con prevalente interessamento degli arti inferiori
nlFamiliaal episodisch pijnsyndroom met voornamelijk betrokkenheid van onderste ledematen
ptSíndrome de dor familiar episódica com envolvimento predominante dos membros inferiores
plZespół rodzinnego bólu epizodycznego z przewagą w kończynach dolnych
csFamiliární syndrom epizodických bolestí s predominantním postižením dolní končetiny
ukСімейний епізодичний больовий синдром з переважним ураженням нижніх кінцівок
zh家族性阵发性疼痛综合征伴下肢受累为主
trAğırlıklı alt ekstremite tutulum ile seyreden ailesel epizodik ağrı sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM615552Evalidated
ICD-10M79.6NTBTattributedvalidated
ICD-11MG31.YNTBTattributedvalidated
MONDO0014247Evalidated
UMLSC3809899Evalidated

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
SCN11ADisease-causing germline mutation(s) (gain of function) inAssessedHGNC:10583ENSG000001683566043853p22.2sodium voltage-gated channel alpha subunit 1124207120[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families28 casesWorldwideCase(s)Validated21698661[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