raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:916

Aase-Smith syndrome type 1

historical

Synonyms: Aase-Smith I syndrome · Hydrocephalus-cleft palate-joint contractures syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant
Status
historical

A rare multiple congenital anomalies/dymorphic syndrome characterized by severe joint contractures, Dandy-Walker malformation with hydrocephalus, and cleft palate. There have been no further descriptions in the literature since 1985.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAase-Smith syndrome type 1Aase-Smith I syndrome · Hydrocephalus-cleft palate-joint contractures syndrome
frSyndrome d'Aase-Smith type 1Syndrome d'hydrocéphalie-fente palatine-raideur articulaire
deAase-Smith-Syndrom Typ 1Aase-Smith Syndrom Typ I · Hydrozephalus-Gaumenspalte-Gelenkkontrakturen-Syndrom
esSíndrome de Aase-Smith tipo 1Síndrome de Aase-Smith I · Síndrome de hidrocefalia-paladar hendido-contracturas articulares
itSindrome di Aase-Smith tipo 1Sindrome idrocefalo-palatoschisi-contratture articolari
nlSyndroom van Aase-Smith type 1Aase-Smith I-syndroom · Hydrocefalie - gespleten gehemelte - gewrichtscontracturen-syndroom
ptSíndrome Aase-Smith tipo 1Síndrome de hidrocefalia-fenda do palato-artrogripose · Síndrome Aase-Smith I
plZespół Aase'a i Smitha typu 1Wodogłowie - rozszczep podniebienia - przykurcze stawów · Zespół Aase'a i Smitha I
csAaseho-Smithův syndromAaseho-Smithův syndrom I · Syndrom zahrnující hydrocefalus, rozštěp patra a kontraktury kloubů · Aase-Smithův syndrom · Aase-Smithův syndrom I
ukСиндром Аазе-СмітаСиндром Аазе-Сміта I · Синдром гідроцефалії-розщілини піднебіння-суглобових контрактур
zhAase-Smith综合征脑积水-腭裂-关节挛缩综合征
trAase-Smith sendromuAase-Smith I sendromu · Hidrosefali-yarık damak-eklem kontraktür sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM147800Evalidated
ICD-10Q87.8NTBTattributedvalidated
MONDO0007839Evalidated
MeSHC535332Evalidated
UMLSC0220686Evalidated
GARD5642Evalidated
MedDRA10063429Evalidated

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 (5):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
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

14 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000377Abnormal pinna morphology
HP:0003272Abnormality of the hip bone
HP:0100490Camptodactyly of finger
HP:0000175Cleft palate
HP:0001305Dandy-Walker malformation
HP:0001387Joint stiffness
HP:0002828Multiple joint contractures
HP:0002650Scoliosis
HP:0000211Trismus
Frequent (79-30%)
HP:0006501Aplasia/Hypoplasia of the radius
HP:0001762Talipes equinovarus
Occasional (29-5%)
HP:0002664Neoplasm
HP:0001238Slender finger
HP:0000486Strabismus
7

Sources for this card