raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:199354

Cerebral autosomal recessive arteriopathy-subcortical infarcts-leukoencephalopathy

Synonyms: CARASIL · Maeda syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Adolescent, Adult
Status
active

CARASIL is a hereditary cerebral small vessel disease characterized by early-onset gait disturbances, premature scalp alopecia, ischemic stroke, acute mid to lower back pain and progressive cognitive disturbances leading to severe dementia.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCerebral autosomal recessive arteriopathy-subcortical infarcts-leukoencephalopathyCARASIL · Maeda syndrome
frArtériopathie cérébrale autosomique récessive-infarctus sous-cortical-leucoencéphalopathieCARASIL · Syndrome de Maeda
deZerebrale Arteriopathie mit subkortikalen Infarkten und Leukoenzephalopathie, autosomal-rezessivCARASIL · Maeda-Syndrom
esArteriopatía cerebral autosómica recesiva-infarto subcortical-leucoencefalopatíaCARASIL · Síndrome de Maeda
itCARASILArteriopatia cerebrale autosomica recessiva con infarti subcorticali e leucoencefalopatia · Sindrome di Maeda
nlCerebrale autosomaal recessieve arteriopathie - subcorticale infarcten - leuko-encefalopathieCARASIL · Syndroom van Maeda
ptArteriopatia cerebral autossómica recessiva-enfartes subcorticais-leucoencefalopatiaCARASIL
plCARASILMózgowa autosomalna recesywna arteriopatia z zawałami podkorowymi i leukoencefalopatią · Zespół Maeda
csMozečková autozomálně recesivní arteriopatie, subkortikální infarkty a leukoencefalopatieCerebrální autozomálně recesivní arteriopatie se subkortikálními infarkty a leukoencefalopatií · Maedaův syndrom
ukЦеребральна аутосомно-рецесивна артеріопатія - підкіркові інфаркти - лейкоенцефалопатіяCARASIL · Синдром Маєда
zh常染色体隐性型脑动脉病,伴皮质下梗死和白质脑病Maeda综合征
trSerebral otozomal resesif arteriyopati-subkortikal enfarktlar-lökoensefalopatiCARASIL · Maeda sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM600142Evalidated
ICD-10I67.8NTBTattributedvalidated
ICD-118B22.C1Especificvalidated
MONDO0010829Evalidated
MeSHC563990Evalidated
UMLSC1838577Evalidated
GARD10424Evalidated
MedDRA10081315Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
HTRA1Disease-causing germline mutation(s) inAssessedHGNC:9476ENSG0000016603360219410q26.13HtrA serine peptidase 120437615[PMID]_22900900[PMID]_21482952[PMID]_21115960[PMID]_19387015[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

32 annotations · validated 2021-12-02
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0002634Arteriosclerosis
HP:0000708Atypical behavior
HP:0003418Back pain
HP:0008480Cervical spondylosis
HP:0100543Cognitive impairment
HP:0030892Deep cerebral white matter hyperdensities
HP:0001288Gait disturbance
HP:0040161Localized osteoporosis
HP:0012514Lower limb pain
HP:0007024Pseudobulbar paralysis
HP:0002497Spastic ataxia
HP:0001257Spasticity
HP:0002401Stroke-like episode
Occasional (29-5%)
HP:0007256Abnormal pyramidal sign
HP:0012671Abulia
HP:0000718Aggressive behavior
HP:0012672Akinetic mutism
HP:0002293Alopecia of scalp
HP:0000741Apathy
HP:0000726Dementia
HP:0002506Diffuse cerebral atrophy
HP:0000712Emotional lability
HP:0001269Hemiparesis
HP:0000737Irritability
HP:0001268Mental deterioration
HP:0030833Neck pain
HP:0002063Rigidity
HP:0003474Somatic sensory dysfunction
HP:0001297Stroke
Very rare (<4-1%)
HP:0002069Bilateral tonic-clonic seizure
HP:0002751Kyphoscoliosis
Excluded (0%)
HP:0003657Granular osmiophilic deposits (GROD) in cells

Annotation source: 20437615[PMID]_29322992[PMID]

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Sources for this card