raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:269008

Isolated focal cortical dysplasia type IIb

Synonyms: FCD type IIb

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

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM607341NTBTvalidated
ICD-10Q04.8NTBTattributedvalidated
ICD-11LA05.51NTBTindexvalidated
MONDO0017102Evalidated
UMLSC5679768Evalidated

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

3 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
MTORDisease-causing somatic mutation(s) inAssessedHGNC:3942ENSG000001987936012311p36.22mechanistic target of rapamycin kinase25799227[PMID]
TSC1Disease-causing somatic mutation(s) inAssessedHGNC:12362ENSG000001656996052849q34.13TSC complex subunit 128215400[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