raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1130

Arachnodactyly-intellectual disability-dysmorphism syndrome

historical

Synonyms: De Die-Smulders-Vles-Fryns syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Unknown
Age of onset
Infancy, Neonatal
Status
historical

A rare multiple congenital anomalies/dysmorphic syndrome characterized by facial dysmorphism (brachycephaly, long, narrow, triangular face, prominent forehead, hypertelorism, flat philtrum, microstomia, thin lips, hypoplastic maxilla), marfanoid habitus with arachnodactyly, and moderate to severe intellectual disability. Additional features may include clinodactyly, triphalangeal thumbs, hammer-shaped toes, hyperextensible joints, hypotonia, hyperreflexia and underdeveloped musculature. Delayed external genitalia development, as well as seizures and mitral regurgitation have been reported in some cases. There have been no further descriptions in the literature since 1995.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enArachnodactyly-intellectual disability-dysmorphism syndromeDe Die-Smulders-Vles-Fryns syndrome
frSyndrome d'arachnodactylie-déficience intellectuelle-dysmorphieSyndrome de De Die-Smulders-Vles-Fryns
deArachnodaktylie-Intelligenzminderung-Dysmorphie-SyndromDie-Smulders-Vles-Fryns-Syndrom
esSíndrome de aracnodactilia-discapacidad intelectual-dismorfiaSíndrome de De Die-Smulders-Vles-Fryns
itSindrome aracnodattilia-disabilità intellettiva-dismorfismiSindrome di Die Smulders-Vles-Fryns
nlArachnodactylie - intellectuele achterstand - dysmorfie-syndroomSyndroom van De Die-Smulders-Vles-Fryns
ptSíndrome de aracnodactilia-perturbação do desenvolvimento intelectual-dismorfiaSíndrome De Die Smulders-Vles-Fryns
plArachnodaktylia - niepełnosprawność intelektualna - dysmorfiaZespół De Die, Smuldersa, Vlesa i Frynsa
csSyndrom zahrnující arachnodaktylii, mentální retardaci a dysmorfiiDe Die-Smuldersové-Vlesův-Frynsův syndrom · De Die-Smulders-Vles-Frynsův syndrom
ukСиндром арахнодактилії-інтелектуальної недостатності-дисморфізмуСиндром Де Ді-Смульдерса-Влеса-Фрінса
zh蜘蛛指畸形-智力障碍-外貌畸形综合征De Die-Smulders-Vles-Fryns 综合征
trAraknodaktili-zihinsel yetersizlik-dismorfizm sendromuDe Die-Smulders-Vles-Fryns sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q87.8NTBTattributedvalidated
MONDO0015235Evalidated
UMLSC4304030Evalidated
GARD764Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

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Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (2):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families3 casesWorldwideCase(s)Validated8357568[PMID]_7794564[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_8357568[PMID]_7794564[PMID]

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

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HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

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Sources for this card