raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:141013

First branchial cleft anomaly

Synonyms: First branchial cleft cyst · First branchial cleft fistula

Type
Morphological anomaly
Group
Disorder
Status
active

A rare otorhinolaryngological malformation characterized by recurrent infections, swelling, pain, discharge and abscess formation in the defect area. The anomaly results from incomplete fusion of the ventral part of the first and second branchial arch, presenting as either a fistula, sinus or cyst occurring anywhere between the external auditory canal and the mandibular angle, including parotid gland.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFirst branchial cleft anomalyFirst branchial cleft cyst · First branchial cleft fistula
frAnomalie de la première fente branchialeFistule de la première fente branchiale · Kyste de la première fente branchiale
deKiemenbogen, 1., Anomalie des
esAnomalía de la primera hendidura branquialFístula de la primera hendidura branquial · Quiste de la primera hendidura branquial
itSchisi del primo arco branchiale
nlAnomalie van eerste kieuwspleetFistel van eerste kieuwspleet · Cyste van eerste kieuwspleet
ptAnomalia da primeira fenda branquial
plAnomalia pierwszego łuku skrzelowegoPrzetoka pierwszego łuku skrzelowego · Torbiel pierwszego łuku skrzelowego
csAnomálie první branchiální štěrbinyCysta první branchiální štěrbiny · Píštěl první branchiální štěrbiny
ukАномалія першої зябрової щілиниПерша гілкова щілинна кіста · Перша гілкова щілинна нориця
zh第一鳃裂畸形第一鳃裂瘘管
trİlk brankial yarık anomalisiBirinci branşiyal yarık kisti · Birinci branşiyal yarık fistülü

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q18.0NTBTattributedvalidated
ICD-11LA6YNTBTindexvalidated
MONDO0015376Evalidated
UMLSC3874320Evalidated
GARD19934Evalidated

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