raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:3204

Stormorken-Sjaastad-Langslet syndrome

Synonyms: Stormorken syndrome · Thrombocytopathy-asplenia-miosis syndrome

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

Stormorken-Sjaastad-Langslet syndrome is characterized by thrombocytopathy, asplenia, miosis, muscle fatigue, migraine, dyslexia, and ichthyosis. It has been described in six members of one family. It is transmitted as an autosomal dominant trait.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enStormorken-Sjaastad-Langslet syndromeStormorken syndrome · Thrombocytopathy-asplenia-miosis syndrome
frSyndrome de Stormorken-Sjaastad-LangsletSyndrome de Stormorken · Syndrome de thrombocytopathie-asplénie-myosis
deStormorken-Sjaastad-Langslet-SyndromThrombozytopathie-Asplenie-Miosis-Syndrom · Stormorken-Syndrom
esSíndrome de Stormorken-Sjaastad-LangsletSíndrome de Stormorken · Síndrome de trombocitopatía-asplenia-miosis
itSindrome di Stormorken-Sjaastad-LangsletTrombocitopatia - asplenia - miosi
nlSyndroom van Stormorken-Sjaastad-LangsletSyndroom van Stormorken · Trombocytopathie - asplenie - miosis-syndroom
ptSíndrome Stormorken-Sjaastad-LangsletSíndrome de trombocitopatia-asplenia-miose
plZespół Stormorkena, Sjaastada i LangsletaTrombocytopatia - brak śledziony - mioza
csStormorkenův-Sjaastadův-Langsletův syndromSyndrom zahrnující trombocytopatii, asplenii a miózu · Stormorken-Sjaastad-Langsletův syndrom
ukСиндром Сторморкена-Сяастада-ЛангслетаСиндром Сторморкена · Синдром тромбоцитопатії-аспленії-міозу
zhStormorken-Sjaastad-Langslet综合征血小板病-无脾-瞳孔缩小综合征
trStormorken-Sjaastad-Langslet sendromuStormorken sendromu · Trombositopati-aspleni-miyozis sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM185070Evalidated
ICD-10D69.8NTBTattributedvalidated
ICD-113B62.YNTBTindexvalidated
MONDO0008497Evalidated
MeSHC566108Evalidated
UMLSC1861451Evalidated
GARD5188Evalidated

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 (4):

No children.

4

Genes

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
ORAI1Disease-causing germline mutation(s) (gain of function) inAssessedHGNC:25896ENSG0000027604561027712q24.31ORAI calcium release-activated calcium modulator 124591628[PMID]
STIM1Disease-causing germline mutation(s) (gain of function) inAssessedHGNC:11386ENSG0000016732360592111p15.4stromal interaction molecule 124591628[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families17 casesWorldwideCase(s)Validated25044882[PMID]_25577287[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_25044882[PMID]_25577287[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

12 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001928Abnormality of coagulation
HP:0002167Abnormality of speech or vocalization
HP:0003011Abnormality of the musculature
HP:0001872Abnormality of thrombocytes
HP:0001903Anemia
HP:0001746Asplenia
HP:0000490Deeply set eye
HP:0000348High forehead
HP:0008064Ichthyosis
HP:0000616Miosis
HP:0000979Purpura
HP:0004322Short stature

Run the differential on the 12 obligate / very frequent terms

7

Sources for this card