raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2007

Alar cartilages hypoplasia-coloboma-telecanthus syndrome

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

A very rare dysmorphic disorder characterized by hypoplasia and coloboma of the alar cartilages and telecanthus described in 2 sisters. No new cases with similar features have been reported since 1976.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAlar cartilages hypoplasia-coloboma-telecanthus syndrome
frSyndrome de fente narinaire-colobome-télécanthus
deFlügelknorpel-Hypoplasie-Kolobom-Telekanthus-Syndrom
esSíndrome de hipoplasia de los cartílagos alares-coloboma-telecanto
itSindrome ipoplasia delle cartilagini alari-coloboma-telecanto
nlHypoplasie van kraakbeen van neusvleugel - coloboom - telecanthus-syndroom
ptSíndrome de hipoplasia das cartilagens alares-coloboma-telecanto
plZespół hipoplazji chrząstek skrzydłowych nosa, rozszczepu i telekantusa
csSyndrom zahrnující hypoplázii alárních chrupavek, kolobom a telekantus
ukСиндром гіпоплазії хрящів надгортанника-колобоми-телекантуса
zh鼻翼软骨发育不全-缺损-眼距过宽综合征
trAlar kıkırdak hipoplazisi-kolobom-telekantus sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM203000Evalidated
ICD-10Q75.8NTBTattributedvalidated
MONDO0008744Evalidated
UMLSC4302677Evalidated
GARD588Evalidated

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 (2):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 casesWorldwideCase(s)Validated1273139[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_1273139[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

7 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0003191Cleft ala nasi
HP:0000444Convex nasal ridge
HP:0000316Hypertelorism
HP:0100335Non-midline cleft of the upper lip
HP:0000506Telecanthus
HP:0000430Underdeveloped nasal alae
HP:0000431Wide nasal bridge

Run the differential on the 7 obligate / very frequent terms

7

Sources for this card