raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:454887

Corticobasal syndrome

Type
Disease
Group
Disorder
Age of onset
Adult, Elderly
Status
active

A rare neurologic disease characterized by multifaceted motor system dysfunctions and cognitive defects such as asymmetric rigidity, bradykinesia, limb apraxia, and visuospatial dysfunction.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCorticobasal syndrome
frSyndrome corticobasal
deKortikobasales Syndrom
esSíndrome corticobasal
itSindrome corticobasale
nlCorticobasaal syndroom
ptSíndrome corticobasal
plZespół korowo-podstawny
csKortikobazální syndrom
ukКортикобазальний синдром
zh皮质基底动脉综合征
trKortikobazal sendrom

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10G31.0NTBTattributedvalidated
MONDO0018696Evalidated
MeSHD000088282Evalidated
UMLSC0393570Evalidated

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 (3):

No children.

Codes that Orphanet moved or referred to this one:

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyValidated[EXPERT]

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

22 annotations · validated 2018-12-31
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001336Myoclonus
HP:0001300Parkinsonism
HP:0007158Progressive extrapyramidal muscular rigidity
Frequent (79-30%)
HP:0002304Akinesia
HP:0002067Bradykinesia
HP:0000726Dementia
HP:0000743Frontal release signs
HP:0001288Gait disturbance
HP:0004305Involuntary movements
HP:0030217Limb apraxia
HP:0002451Limb dystonia
HP:0045084Limb myoclonus
HP:0007301Oromotor apraxia
HP:0002172Postural instability
HP:0003474Somatic sensory dysfunction
HP:0001337Tremor
Occasional (29-5%)
HP:0002381Aphasia
HP:0001332Dystonia
HP:0002354Memory impairment
HP:0011098Speech apraxia
Very rare (<4-1%)
HP:0100022Abnormality of movement
HP:0000708Atypical behavior

Run the differential on the 3 obligate / very frequent terms

Annotation source: 30090966[PMID]_23359374[PMID]_29269636[PMID]_21853287[PMID]

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Sources for this card