raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:83

Antley-Bixler syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant, Autosomal recessive
Age of onset
Antenatal, Neonatal
Status
active

A rare syndromic craniosynostosis characterized by craniosynostosis with midface hypoplasia, radiohumeral synostosis, femoral bowing and joint contractures.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAntley-Bixler syndrome
frSyndrome d'Antley-Bixler
deAntley-Bixler-Syndrom
esSíndrome de Antley-Bixler
itSindrome di Antley-Bixler
nlSyndroom van Antley-Bixler
ptSíndrome Antley-Bixler
plZespół Antleya i Bixlera
csAntleyho-Bixlerův syndromAntley-Bixlerův syndrom
ukСиндром Ентлі-Бікслера
zhAntley-Bixler综合征
trAntley-Bixler sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM207410BTNTvalidated
ICD-10Q87.8NTBTattributedvalidated
ICD-11LD24.GYNTBTindexvalidated
MONDO0008803Evalidated
MeSHD054882Evalidated
UMLSC5234850Evalidated
GARD5826Evalidated
MedDRA10083864Evalidated

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 (3):

Children (2):

4

Genes

0 direct · 2 via subtypes

Orphanet records no gene directly on this code.

Recorded by Orphanet on subtypes of this disorder:

GeneSubtypeAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
PORORPHA:63269Antley-Bixler syndrome with genital anomaly and disorder of steroidogenesisDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:9208ENSG000001279481240157q11.23cytochrome p450 oxidoreductase15483095[PMID]
FGFR2ORPHA:596008Antley-Bixler syndrome without genital anomaly or disorder of steroidogenesisDisease-causing germline mutation(s) inAssessedHGNC:3689ENSG0000006646817694310q26.13fibroblast growth factor receptor 220301592[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyNot yet validated[EXPERT]_ORPHANET

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

30 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0030680Abnormal cardiovascular system morphology
HP:0000772Abnormal rib morphology
HP:0000463Anteverted nares
HP:0001166Arachnodactyly
HP:0000248Brachycephaly
HP:0100490Camptodactyly of finger
HP:0000270Delayed cranial suture closure
HP:0003070Elbow ankylosis
HP:0002980Femoral bowing
HP:0002007Frontal bossing
HP:0010669Hypoplasia of the zygomatic bone
HP:0001387Joint stiffness
HP:0000774Narrow chest
HP:0003275Narrow pelvis bone
HP:0000358Posteriorly rotated ears
HP:0003196Short nose
Frequent (79-30%)
HP:0012210Abnormal renal morphology
HP:0000453Choanal atresia
HP:0001363Craniosynostosis
HP:0000520Proptosis
Occasional (29-5%)
HP:0000175Cleft palate
HP:0000494Downslanted palpebral fissures
HP:0000316Hypertelorism
HP:0000343Long philtrum
HP:0000160Narrow mouth
HP:0002757Recurrent fractures
HP:0000486Strabismus
HP:0001883Talipes
HP:0000262Turricephaly
HP:0009891Underdeveloped supraorbital ridges

Run the differential on the 12 obligate / very frequent terms

7

Sources for this card