raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:269001

Isolated focal cortical dysplasia type IIa

Synonyms: FCD type IIa

Type
Histopathological subtype
Group
Subtype of disorder
Inheritance
Not applicable
Status
active

Orphadata ships no English definition for this code.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIsolated focal cortical dysplasia type IIaFCD type IIa
frDysplasie corticale focale isolée type IIa= en
deKortikale Dysplasie, fokale isolierte, Typ IIaFCD Typ IIa
esDisplasia cortical focal aislada tipo IIaFCD tipo IIa
itDisplasia corticale focale isolata, tipo IIaFCD, tipo IIa
nlGeïsoleerde focale corticale dysplasie type IIa= en
ptDisplasia cortical focal isolada tipo IIaFCD tipo IIa
plIzolowana dysplazja korowa mózgu typu IIaFCD typu IIa
csIzolovaná fokální kortikální dysplázie, typ IIaFCD typ IIa
ukІзольована фокальна кортикальна дисплазія, тип IIaFCD типу IIa
zh孤立性局灶性脑皮质发育不良IIa型FCD IIa型
trİzole fokal kortikal displazi tip IIaFCD tip IIa
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM607341NTBTvalidated
ICD-10Q04.8NTBTattributedvalidated
ICD-11LA05.51NTBTindexvalidated
MONDO0017101Evalidated
UMLSC5679770Evalidated

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

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
MTORDisease-causing somatic mutation(s) inAssessedHGNC:3942ENSG000001987936012311p36.22mechanistic target of rapamycin kinase25799227[PMID]
TSC2Disease-causing somatic mutation(s) inAssessedHGNC:12363ENSG0000010319719109216p13.3TSC complex subunit 228215400[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

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