raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:46348

Paroxysmal extreme pain disorder

Synonyms: Familial rectal pain

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Infancy, Neonatal
Status
active

A rare, genetic, neurological disorder characterized by severe episodic perirectal pain accompanied by skin flushing that is typically precipitated by defecation. Ocular and submaxillary pain, associated with triggers including cold or other irritants, may become more prominent with age.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enParoxysmal extreme pain disorderFamilial rectal pain
frSyndrome de douleur extrême paroxystiqueDouleur rectale familiale
deParoxysmale extreme SchmerzstörungFamiliärer rektaler Schmerz
esTrastorno del dolor extremo paroxístico
itSindrome da dolore parossistico estremoDolore rettale familiare
nlAandoening met paroxysmale extreme pijnFamiliale rectale pijn
ptdoença de dor extrema paroxísticaDor retal familiar
plZespół napadowego bólu ekstremalnegoRodzinny ból odbytnicy
csParoxysmální extrémní bolestFamiliární rektální bolest
ukПароксизмальний сильний больовий розладСімейний біль у прямій кишці
zh阵发性剧痛症家族性直肠痛
trParoksismal aşırı ağrı bozukluğuAilesel rektal ağrı

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM167400Evalidated
ICD-10G90.8NTBTattributednot yet validated
ICD-118E43.YNTBTindexvalidated
MONDO0008179Evalidated
MeSHC563475Evalidated
UMLSC1833661Evalidated
GARD12854Evalidated
MedDRA10081856Evalidated

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.

4

Genes

3 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
SCN10ACandidate gene tested inNot yet assessedHGNC:10582ENSG000001853136044273p22.2sodium voltage-gated channel alpha subunit 10
SCN11ACandidate gene tested inNot yet assessedHGNC:10583ENSG000001683566043853p22.2sodium voltage-gated channel alpha subunit 11
SCN9ADisease-causing germline mutation(s) (gain of function) inAssessedHGNC:10597ENSG000001694326034152q24.3sodium voltage-gated channel alpha subunit 917145499[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families4 familiesWorldwideFamily(ies)Validated8778439[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

2 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001250Seizure
Frequent (79-30%)
HP:0002019Constipation

Run the differential on the 1 obligate / very frequent terms

Annotation source: 17145499[PMID]

7

Sources for this card