raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:783

Rubinstein-Taybi syndrome

Synonyms: Broad thumb-hallux syndrome · Broad thumbs-halluces syndrome

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

A rare, genetic malformation syndrome characterized by congenital anomalies (microcephaly, specific facial characteristics, and broad thumbs and halluces), short stature, intellectual disability and behavioral characteristics.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enRubinstein-Taybi syndromeBroad thumb-hallux syndrome · Broad thumbs-halluces syndrome
frSyndrome de Rubinstein-TaybiSyndrome des pouces et des gros orteils trop larges
deRubinstein-Taybi-SyndromSyndrom der breiten Daumen und Großzehen
esSíndrome de Rubinstein-Taybi
itSindrome di Rubinstein-Taybi
nlSyndroom van Rubinstein-TaybiBrede duim-hallux-syndroom · Brede duimen-halluces-syndroom
ptSíndrome Rubinstein-Taybi
plZespół Rubinsteina i Taybiego= en
csRubinsteinův-Taybiho syndromRubinstein-Taybiho syndrom
ukСиндром Рубінштейна-ТейбіСиндром широкого великого пальця · Синдром широких великих пальців
zhRubinstein-Taybi综合征宽指综合征
trRubinstein-Taybi sendromuGeniş başparmak-halluks sendromu · Geniş başparmak-halluks sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM180849BTNTvalidated
OMIM610543BTNTvalidated
OMIM613684BTNTvalidated
ICD-10Q87.2NTBTinclusionvalidated
ICD-11LD2F.1YNTBTindexvalidated
MONDO0019188Evalidated
MeSHD012415Evalidated
UMLSC0035934Evalidated
GARD7593Evalidated
MedDRA10039281Evalidated

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 (11):

Children (3):

4

Genes

0 direct · 3 via subtypes

Orphanet records no gene directly on this code.

Recorded by Orphanet on subtypes of this disorder:

GeneSubtypeAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
EP300ORPHA:353284Rubinstein-Taybi syndrome due to EP300 haploinsufficiencyDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:3373ENSG0000010039360270022q13.2EP300 lysine acetyltransferase20301699[PMID]
CREBBPORPHA:353277Rubinstein-Taybi syndrome due to CREBBP mutationsDisease-causing germline mutation(s) inAssessedHGNC:2348ENSG0000000533960014016p13.3CREB binding lysine acetyltransferase20301699[PMID]
CREBBPORPHA:353281Rubinstein-Taybi syndrome due to 16p13.3 microdeletionRole in the phenotype ofAssessedHGNC:2348ENSG0000000533960014016p13.3CREB binding lysine acetyltransferase20301699[PMID]
5

Prevalence and incidence

4 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 1 000 0000.9 / 100 000NetherlandsValue and classValidated2118773[PMID]
Point prevalence1-9 / 100 000—NetherlandsClass onlyValidated2118773[PMID]
Prevalence at birth1-9 / 1 000 0000.7 / 100 000EuropeValue and classValidatedEUROCAT European surveillance of congenital anomalies 2005-2012[OTHER]
Point prevalence1-9 / 100 000—EuropeClass 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

66 annotations · validated 2024-03-29
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001156Brachydactyly
HP:0010059Broad hallux phalanx
HP:0011304Broad thumb
HP:0000444Convex nasal ridge
HP:0000750Delayed speech and language development
HP:0000494Downslanted palpebral fissures
HP:0001531Failure to thrive in infancy
HP:0008872Feeding difficulties in infancy
HP:0001263Global developmental delay
HP:0000218High palate
HP:0000316Hypertelorism
HP:0001249Intellectual disability
HP:0001382Joint hypermobility
HP:0000369Low-set ears
HP:0004322Short stature
HP:0011087Talon cusp
HP:0000506Telecanthus
Frequent (79-30%)
HP:0030680Abnormal cardiovascular system morphology
HP:0001273Abnormal corpus callosum morphology
HP:0009832Abnormal distal phalanx morphology of finger
HP:0001627Abnormal heart morphology
HP:0000164Abnormality of the dentition
HP:0000119Abnormality of the genitourinary system
HP:0031087Absent pubertal growth spurt
HP:0000739Anxiety
HP:0006817Aplasia/Hypoplasia of the cerebellar vermis
HP:0007018Attention deficit hyperactivity disorder
HP:0000708Atypical behavior
HP:0000729Autistic behavior
HP:0000670Carious teeth
HP:0000518Cataract
HP:0004209Clinodactyly of the 5th finger
HP:0100760Clubbing of toes
HP:0000589Coloboma
HP:0002019Constipation
HP:0000028Cryptorchidism
HP:0000286Epicanthus
HP:0002230Generalized hirsutism
HP:0000501Glaucoma
HP:0002553Highly arched eyebrow
HP:0000737Irritability
HP:0000252Microcephaly
HP:0000347Micrognathia
HP:0000579Nasolacrimal duct obstruction
HP:0030434Pilomatrixoma
HP:0002719Recurrent infections
HP:0002098Respiratory distress
HP:0002093Respiratory insufficiency
HP:0010535Sleep apnea
HP:0000486Strabismus
HP:0000431Wide nasal bridge
Occasional (29-5%)
HP:0006530Abnormal pulmonary interstitial morphology
HP:0001631Atrial septal defect
HP:0000987Atypical scarring of skin
HP:0005743Avascular necrosis of the capital femoral epiphysis
HP:0005306Capillary hemangioma
HP:0002308Chiari malformation
HP:0000678Dental crowding
HP:0006101Finger syndactyly
HP:0000365Hearing impairment
HP:0001385Hip dysplasia
HP:0010562Keloids
HP:0001513Obesity
HP:0001561Polyhydramnios
HP:0000508Ptosis
HP:0001250Seizure

Run the differential on the 12 obligate / very frequent terms

Annotation source: 20301699[PMID]

7

Sources for this card