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choanal atresia, unilateral - Clinical Profile, Genes & Research | Kisho | Kisho

Rare Disease

choanal atresia, unilateral

MONDO:0015312

Overview

Unilateral choanal atresia is a, usually sporadic, congenital anomaly that is more commonly seen in females than in males (2:1), where the nose is blocked by bony or soft tissue formed during embryologic development on only one side (more commonly on the right side) and which is characterized by nasal obstruction and rhinorrhea, usually presenting at birth but that may go undetected until a respiratory infection aggravates the condition.

Prognosis

Estimated prevalence: 1-9 in 100,000 (Uncommon).

Research Landscape

Sourced from ClinicalTrials.gov and PubMed. Publication types are classified using NLM-curated article metadata; research type breakdowns reflect the nature of published work for this disease.

No clinical trials have been registered for choanal atresia, unilateral.

18 publications have been identified in PubMed for choanal atresia, unilateral. Research spans Case Report / Case Series (40%), Epidemiology / Natural History (33%), and Review / Meta-Analysis (13%).

Research Type	Count	% of Total
Patient case studies	6	40%

Data assembled from 3 of 12 sources · Last updated Sep 20, 2026, 5:50 AM UTC

MONDOHPOClinicalTrials.govFDAPubMedHGNCClinVarClinGenGeneReviewsOrphanetOMIMRUSP

Medical References

External Resources

Orphanet

European rare disease database

Orphanet:137917

GARD

Genetic and Rare Diseases Info Center

GARD:19889

Questions for Your Care Team

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choanal atresia, unilateral

Overview

Prognosis

Research Landscape

Medical References

External Resources

Orphanet

GARD

Related Diseases

Questions for Your Care Team

Questions for Your Care Team

Recent Publications