raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:140952

Syndactyly-telecanthus-anogenital and renal malformations syndrome

Synonyms: STAR syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
X-linked dominant
Age of onset
Infancy, Neonatal
Status
active

A rare malformation syndrome characterized by the association of toe syndactyly, facial dysmorphism including telecanthus (abnormal distance between the eyes) and a broad nasal tip, urogenital malformations and anal atresia.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSyndactyly-telecanthus-anogenital and renal malformations syndromeSTAR syndrome
frSyndrome de syndactylie-télécanthus-malformations rénale et anogénitaleSyndrome STAR
deSyndaktylie-Telekanthus-anogenitale und renale Fehlbildungen-SyndromSTAR-Syndrom
esSíndrome de sindactilia-telecanto-malformaciones renales y anogenitalesSíndrome STAR
itSindattilia - telecanto - malformazioni anogenitali e renali
nlSyndactylie - telecanthus - anogenitale en renale malformaties-syndroomSTAR-syndroom
ptSíndrome de sindactilia-telecanto-malformações anogenitais e renaisSíndrome STAR
plSyndaktylia - telekantus - malformacje odbytowo-genitalne i nerekZespół STAR
csSyndrom zahrnující syndaktylii, telekantus a anogenitální a renální malformace= en
ukСиндром синдактилії-телекантуса-аногенітальних та ниркових вад розвиткуСиндром STAR
zh并趾畸形、内眦距过宽和肛门生殖器及肾畸形STAR综合征
trSindaktili-telekantus-anogenital ve renal malformasyon sendromuSTAR sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM300707Evalidated
ICD-10Q87.8NTBTattributedvalidated
ICD-11LD2F.1YNTBTindexvalidated
MONDO0010408Evalidated
MeSHC567475Evalidated
UMLSC2678045Evalidated
GARD10295Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CCNQDisease-causing germline mutation(s) inAssessedHGNC:28434ENSG00000262919300708Xq28cyclin Q18297069[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families7 casesWorldwideCase(s)Validated18297069[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_18297069[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

28 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0002023Anal atresia
HP:0004209Clinodactyly of the 5th finger
HP:0000394Lop ear
HP:0004322Short stature
HP:0001770Toe syndactyly
Frequent (79-30%)
HP:0001671Abnormal cardiac septum morphology
HP:0000813Bicornuate uterus
HP:0000414Bulbous nose
HP:0008665Clitoral hypertrophy
HP:0000086Ectopic kidney
HP:0000085Horseshoe kidney
HP:0000066Labial hypoplasia
HP:0000104Renal agenesis
HP:0000083Renal insufficiency
HP:0000506Telecanthus
HP:0000219Thin upper lip vermilion
HP:0000076Vesicoureteral reflux
HP:0000431Wide nasal bridge
Occasional (29-5%)
HP:0001659Aortic regurgitation
HP:0000625Eyelid coloboma
HP:0002984Hypoplasia of the radius
HP:0007754Macular dystrophy
HP:0011560Mitral atresia
HP:0000545Myopia
HP:0004415Pulmonary artery stenosis
HP:0000556Retinal dystrophy
HP:0001250Seizure
HP:0003396Syringomyelia

Run the differential on the 5 obligate / very frequent terms

Annotation source: 18297069[PMID]

7

Sources for this card