raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:163721

Rolandic epilepsy-speech dyspraxia syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant, X-linked dominant
Age of onset
Antenatal, Infancy, Neonatal
Status
active

Rolandic epilepsy-speech dyspraxia syndrome is a rare, genetic epilepsy characterized by speech disorder (including a range of symptoms from dysarthria, speech dyspraxia, receptive and expressive language delay/regression and acquired aphasia to subtle impairments of conversational speech) and epilepsy (mostly focal and secondary generalized childhood-onset seizures, sometimes with aura). Mild to severe intellectual disability may also be observed.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enRolandic epilepsy-speech dyspraxia syndrome
frSyndrome d'épilepsie rolandique-dyspraxie de la parole
deRolando-Epilepsie-Sprachdyspraxie-Syndrom
esSíndrome de epilepsia rolándica-dispraxia del habla
itSindrome da epilessia rolandica - disprassia verbale
nlRolandische epilepsie - spraakdyspraxie-syndroom
ptSíndrome de epilepsia rolândica-dispraxia do discurso
plPadaczka rolandyczna - dyspraksja mowy
csSyndrom zahrnující rolandickou epilepsii a verbální dyspraxii
ukСиндром роландичної епілепсії та мовленнєвої диспраксії
zh罗兰迪克性癫痫-言语障碍综合征
trRolandik epilepsi-konuşma dispraksi sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM245570NTBTvalidated
OMIM300643BTNTvalidated
ICD-10G40.8NTBTattributedvalidated
ICD-118A61.2YNTBTindexvalidated
MONDO0015587Evalidated
UMLSC4707308Evalidated

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

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
GRIN2ADisease-causing germline mutation(s) inAssessedHGNC:4585ENSG0000018345413825316p13.2glutamate ionotropic receptor NMDA type subunit 2A23933818[PMID]
SRPX2Disease-causing germline mutation(s) inAssessedHGNC:30668ENSG00000102359300642Xq22.1sushi repeat containing protein X-linked 216497722[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families277 casesWorldwideCase(s)Validated16497722[PMID]_23933820[PMID]_24995671[PMID]_18248446[PMID]
Point prevalenceUnknown—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

18 annotations · validated 2019-08-12
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000750Delayed speech and language development
HP:0001250Seizure
HP:0011098Speech apraxia
Frequent (79-30%)
HP:0007334Bilateral tonic-clonic seizure with focal onset
HP:0031491Continuous spike and waves during slow sleep
HP:0002307Drooling
HP:0011196EEG with focal sharp waves
HP:0011198EEG with generalized epileptiform discharges
HP:0007359Focal-onset seizure
HP:0001249Intellectual disability
Occasional (29-5%)
HP:0031434Abnormal speech prosody
HP:0010300Abnormally low-pitched voice
HP:0001260Dysarthria
HP:0001611Hypernasal speech
HP:0002079Hypoplasia of the corpus callosum
HP:0002546Incomprehensible speech
HP:0000736Short attention span
HP:0001328Specific learning disability

Run the differential on the 3 obligate / very frequent terms

Annotation source: 7574460[PMID]_18248446[PMID]_27683935[PMID]_16497722[PMID]

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Sources for this card