raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:100006

ABeta amyloidosis, Dutch type

Synonyms: ABetaE22Q amyloidosis · HCHWA, Dutch type · HCHWA-D · Hereditary cerebral hemorrhage with amyloidosis, Dutch type

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal dominant
Age of onset
Adult
Status
active

A form of hereditary cerebral hemorrhage with amyloidosis characterized by severe cerebral amyloid angiopathy (CAA), predominantly hemorrhagic strokes and dementia.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enABeta amyloidosis, Dutch typeABetaE22Q amyloidosis · HCHWA, Dutch type · HCHWA-D · Hereditary cerebral hemorrhage with amyloidosis, Dutch type
frAmylose ABeta, type néerlandaisAmylose ABetaE22Q · HCHWA type néerlandais · HCHWA-D · Hémorragie cérébrale héréditaire avec amylose type néerlandais
deAbeta-Amyloidose vom holländischen TypABetaE22Q-Amyloidose · HCHWA vom holländischen Typ · HCHWA-D · Zerebrale Hämorrhagie mit Amyloidose, hereditäre, holländischer Typ
esAmiloidosis ABeta tipo neerlandésAmiloidosis ABetaE22Q · HCHWA tipo neerlandés · HCHWA-D · Hemorragia cerebral hereditaria con amiloidosis tipo neerlandés
itAmiloidosi Abeta, tipo olandeseAmiloidosi ABetaE22Q · Emorragia cerebrale ereditaria con amiloidosi, tipo olandese · HCHWA, tipo olandese · HCHWA-D
nlABèta-amyloïdose, Nederlands typeABètaE22Q-amyloïdose · Erfelijke cerebrale hemorragie met amyloïdose, Nederlands type · HCHWA, Nederlands type · HCHWA-D
ptAmiloidose ABeta, tipo HolandêsAmiloidose ABeta E22Q · HCHWA, tipo Holandês · HCHWA-D · Hemorragia cerebral com amiloidose hereditária, tipo holandês
plAmyloidoza BetaE22Q, typ holenderskiAmyloidoza BetaE22Q · Dziedziczny krwotok mózgowy z amyloidozą, typ holenderski · HCHWA, typ holenderski · HCHWA-D · Amyloidoza ABeta typu holenderskiego
csABeta amyloidóza, holandský typABetaE22Q amyloidóza · HCHWA, holandský typ · HCHWA-D · Dědičná cerebrální hemoragie s amyloidózou, holandský typ
ukАбета-амілоїдоз, голландський типАмілоїдоз ABetaE22Q · HCHWA, голландський тип · HCHWA-D · Спадковий крововилив у мозок з амілоїдозом, голландський тип
zhDutch型ABeta淀粉样变性病Dutch型遗传性脑出血合并淀粉样变性
trABeta amiloidoz, Hollanda tipiHCHWA-D · HCHWA, Dutch tipi · ABetaE22Q amiloidoz · Amiloidozlu kalıtsal beyin kanaması, Dutch tipi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM605714NTBTvalidated
ICD-10E85.4+NTBTattributedvalidated
ICD-10I68.0*NTBTattributedvalidated
ICD-118B22.3NTBTindexvalidated
MONDO0015033Evalidated
UMLSC2931672Evalidated

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
APPDisease-causing germline mutation(s) inAssessedHGNC:620ENSG0000014219210476021q21.3amyloid beta precursor protein24870607[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families250 casesWorldwideCase(s)Validated[EXPERT]
Point prevalence<1 / 1 000 000—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

10 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000708Atypical behavior
HP:0001342Cerebral hemorrhage
HP:0000726Dementia
HP:0002315Headache
HP:0001268Mental deterioration
HP:0001297Stroke
Frequent (79-30%)
HP:0011970Cerebral amyloid angiopathy
HP:0002514Cerebral calcification
HP:0001250Seizure
Occasional (29-5%)
HP:0100613Death in early adulthood

Run the differential on the 6 obligate / very frequent terms

7

Sources for this card