raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1891

Intellectual disability-spasticity-ectrodactyly syndrome

historical

Synonyms: Jancar syndrome

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

Intellectual disability-spasticity-ectrodactyly syndrome is a rare intellectual disability syndrome characterized by severe intellectual disability, spastic paraplegia (with wasting of the lower limbs) and distal transverse defects of the limbs (e.g. ectrodactyly, syndactyly, clinodactyly of the hands and/or feet).

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIntellectual disability-spasticity-ectrodactyly syndromeJancar syndrome
frSyndrome d'ectrodactylie-paraplégie spastique-déficience intellectuelleSyndrome de Jancar
deIntelligenzminderung-spastische Paraplegie-Ektrodaktylie-SyndromJancar-Syndrom · Syndromale Intelligenzminderung mit Spastik und distalen transversalen Defekten der Gliedmaßen
esSíndrome de discapacidad intelectual-espasticidad-ectrodactiliaSíndrome de Jancar
itDisabilità intellettiva-spasticità-ectrodattiliaSindrome di Jancar
nlIntellectuele achterstand - spasticiteit - ectrodactylie-syndroomSyndroom van Jancar
ptSíndrome de perturbação do desenvolvimento intelectual-espasticidade-ectrodactiliaSíndrome Jancar
plNiepełnosprawność intelektualna - spastyczność - ektrodaktyliaZespół Jancar
csSyndrom zahrnující mentální retardaci, spasticitu a ektrodaktyliiJancarův syndrom
ukСиндром інтелектуальної недостатності-спастичності-ектродактиліїСиндром Джанкара
zh智力障碍-痉挛-缺指(趾)综合征Jancar综合征
trZihinsel yetersizlik-spastisite-ektrodaktili sendromuJancar sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM246555Evalidated
ICD-10Q87.2NTBTattributedvalidated
MONDO0009524Evalidated
MeSHC537446Evalidated
UMLSC0796001Evalidated
GARD3523Evalidated

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 (4):

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)Validated8368260[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_8368260[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.

6

HPO phenotypes

9 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001249Intellectual disability
HP:0001257Spasticity
Frequent (79-30%)
HP:0003272Abnormality of the hip bone
HP:0002817Abnormality of the upper limb
HP:0007598Bilateral single transverse palmar creases
HP:0004209Clinodactyly of the 5th finger
HP:0006101Finger syndactyly
HP:0001347Hyperreflexia
HP:0001258Spastic paraplegia
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Sources for this card