raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:3082

Intellectual disability-polydactyly-uncombable hair syndrome

Synonyms: Kozlowski-Krajewska syndrome

Type
Malformation syndrome
Group
Disorder
Age of onset
Neonatal
Status
active

Intellectual disability-polydactyly-uncombable hair syndrome is a multiple congenital anomalies/dysmorphic syndrome characterized by intellectual disability, postaxial polydactyly, phalangeal hypoplasia, 2-3 toe syndactyly, uncombable hair and facial dysmorphism (including frontal bossing, hypotelorism, narrow palpebral fissures, nasal bridge and lips, prominent nasal root, large abnormal ears with prominent antihelix, poorly folded helix, underdeveloped lobule and antitragus, and micrognathia evolving into prognatism). Cryptorchidism, conductive hearing loss and progressive thoracic kyphosis were also reported.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIntellectual disability-polydactyly-uncombable hair syndromeKozlowski-Krajewska syndrome
frSyndrome de déficience intellectuelle-polydactylie-cheveux incoiffablesSyndrome de Kozlowski-Krajewska
deIntelligenzminderung-Polydaktylie-unkämmbare Haare-SyndromKozlowski-Krajewska-Syndrom
esSíndrome de discapacidad intelectual-polidactilia-cabellos impeinablesSíndrome de Kozlowski-Krajewska
itSindrome disabilità intellettiva-polidattilia-capelli impettinabiliSindrome Kozlowski-Krajewska
nlIntellectuele achterstand - polydactylie - onkambaar haar-syndroomSyndroom van Kozlowski-Krajewska
ptSíndrome de perturbação do desenvolvimento intelectual-polidactilia-cabelo impenteávelSíndrome Kozlowski-Krajewska
plNiepełnosprawność intelektualna - polidaktylia - nieuczesane włosyZespół Kozlowskiego i Krajewskiej
csSyndrom zahrnující mentální retardaci, polydaktylii a neučesatelné vlasyKozlowského-Krajewské syndrom · Kozlowski-Krajewské syndrom
ukСиндром інтелектуальної недостатності-полідактилії-випадіння волоссяСиндром Козловського-Краєвської
zh智力障碍-多指(趾)畸形-异常毛发综合征Kozlowski-Krajewska 综合征
trZihinsel yetersizlik-polidaktili-taranamayan saç sendromuKozlowski-Krajewska sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q87.2NTBTattributedvalidated
MONDO0017682Evalidated
MeSHC537615Evalidated
UMLSC2931547Evalidated
GARD3141Evalidated

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.

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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 casesWorldwideCase(s)Validated9028447[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_9028447[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

34 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000174Abnormal palate morphology
HP:0000772Abnormal rib morphology
HP:0005930Abnormality of epiphysis morphology
HP:0010978Abnormality of immune system physiology
HP:0009738Abnormality of the antihelix
HP:0009896Abnormality of the antitragus
HP:0001595Abnormality of the hair
HP:0006265Aplasia/Hypoplasia of fingers
HP:0009906Aplasia/Hypoplasia of the earlobes
HP:0100840Aplasia/Hypoplasia of the eyebrow
HP:0001991Aplasia/Hypoplasia of toe
HP:0010059Broad hallux phalanx
HP:0004209Clinodactyly of the 5th finger
HP:0000405Conductive hearing impairment
HP:0000028Cryptorchidism
HP:0002007Frontal bossing
HP:0004299Hernia of the abdominal wall
HP:0008736Hypoplasia of penis
HP:0000601Hypotelorism
HP:0001249Intellectual disability
HP:0002808Kyphosis
HP:0000303Mandibular prognathia
HP:0010508Metatarsus valgus
HP:0000347Micrognathia
HP:0000446Narrow nasal bridge
HP:0000768Pectus carinatum
HP:0001162Postaxial hand polydactyly
HP:0000470Short neck
HP:0004322Short stature
HP:0002217Slow-growing hair
HP:0001770Toe syndactyly
HP:0030056Uncombable hair
HP:0000582Upslanted palpebral fissure
HP:0006610Wide intermamillary distance

Run the differential on the 12 obligate / very frequent terms

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Sources for this card