raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:141242

Paramedian nasal cleft

Synonyms: Alar cleft · Alar rim cleft · Cleft nose · Isolated cleft of the ala nasi · Isolated coloboma of the nose · Tessier number 1 cleft

Type
Morphological anomaly
Group
Disorder
Age of onset
Antenatal, Neonatal
Status
active

Paramedian nasal cleft is a rare developmental defect during embryogenesis characterized by a unilateral or bilateral coloboma of the nose, ranging in severity from a small notch, resulting in minor deviation of the nasal septum, to variable-sized clefts of the nasal ala which may be associated with small cysts or sinuses in the nasal midline. Defect may be isolated or may occur in association with cleft lip and/or other craniofacial anomalies (e.g. hypertelorism, broadening of nasal root, midline cleft). Dorsum and apex of nose are usually well preserved.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enParamedian nasal cleftAlar cleft · Alar rim cleft · Cleft nose · Isolated cleft of the ala nasi · Isolated coloboma of the nose · Tessier number 1 cleft
frFente nasale paramédianeFente du nez · Fente faciale 1 de Tessier à l'étage nasal
deNasenspalte, paramedianeNasenkolobom, isoliertes · Nasenspalte · Gesichtsspalte, Tessier 1 · Nasenflügelrand-Spalte · Nasenflügelspalte · Nasenflügelspalte, isolierte
esHendidura nasal paramedianaColoboma aislado de la nariz · Fisura número 1 de Tessier · Hendidura aislada del ala nasal · Hendidura alar · Hendidura de la rima alar · Hendidura del borde alar · Hendidura número 1 de Tessier · Nariz hendida
itSchisi nasale paramediana
nlParamediane nasale spleetAangezichtsspleet Tessier nummer 1 · Gespleten neus · Geïsoleerd coloboom van de neus · Geïsoleerde spleet van de neusvleugel · Neusvleugelspleet · Spleet van de neusvleugelrand
ptFenda nasal
plPrzyśrodkowy rozszczep nosaRozszczep nosa · Rozszczep twarzy numer 1 wg Tessiera
csParamediální rozštěp nosuRozštěp číslo 1 dle Tessiera
ukПарамедіанна назальна розщілинаРозщілина Алар · Розщілина обода Алара · Розщілина носа · Ізольована розщілина ала-насі · Ізольована колобома носа · Розщілина Тессьє № 1
zh旁正中鼻裂孤立性鼻翼裂
trParamedyan nazal yarıkAlar yarık · Yarık burun · Alar ağız yarığı · Tessier 1 numaralı yarık · Burun izole kolobomu · Ala nasi'nin izole yarığı

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM614687Evalidated
ICD-10Q18.8NTBTattributedvalidated
ICD-11LA51NTBTindexvalidated
MONDO0015414Evalidated
UMLSC4759655Evalidated

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 (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card