Trait
Narrowing of the rear opening of the nasal cavity
Clinical name: Choanal stenosis
Abnormal narrowing of the choana (the posterior nasal aperture).
Summary
- Also called
- Coanal stenosis
- Body system
- Abnormality of head or neck
Reference genomeGRCh38hg38
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Get my Genome Test29 genes linked to Narrowing of the rear opening of the nasal cavity
Changes in these genes cause rare conditions in which Narrowing of the rear opening of the nasal cavity is seen. Most people with this trait have none of those conditions, and a gene on this list says nothing about anyone's own genome.
| Gene | How often it is seen | Conditions |
|---|---|---|
| DOT1LDOT1 like histone lysine methyltransferase | Always | In 1 condition |
| FGFR2fibroblast growth factor receptor 2 | Always | In 4 conditions |
| FGFR3fibroblast growth factor receptor 3 | Always | In 1 condition |
| IKZF2IKAROS family zinc finger 2 | Always | In 1 condition |
| SOSTsclerostin | Always | In 1 condition |
| ANKHANKH inorganic pyrophosphate transport regulator | Often (30–79%) | In 1 condition |
| BUB1BUB1 mitotic checkpoint serine/threonine kinase | Often (30–79%) | In 1 condition |
| FAAP100FA core complex associated protein 100 | Often (30–79%) | In 1 condition |
| PAICSphosphoribosylaminoimidazole carboxylase and phosphoribosylaminoimidazolesuccinocarboxamide synthase | Often (30–79%) | In 1 condition |
| POLR1BRNA polymerase I subunit B | Often (30–79%) | In 1 condition |
| PORcytochrome p450 oxidoreductase | Often (30–79%) | In 3 conditions |
| ASXL3ASXL transcriptional regulator 3 | Sometimes (5–29%) | In 1 condition |
| AXIN1axin 1 | Sometimes (5–29%) | In 1 condition |
| KMT2Dlysine methyltransferase 2D | Sometimes (5–29%) | In 1 condition |
| MBTPS2membrane bound transcription factor peptidase, site 2 | Sometimes (5–29%) | In 1 condition |
| MSL3MSL complex subunit 3 | Sometimes (5–29%) | In 1 condition |
| NFIXnuclear factor I X | Sometimes (5–29%) | In 1 condition |
| POLR1DRNA polymerase I and III subunit D | Sometimes (5–29%) | In 1 condition |
| SETBP1SET binding protein 1 | Sometimes (5–29%) | In 2 conditions |
| ZRSR2zinc finger CCCH-type, RNA binding motif and serine/arginine rich 2 | Sometimes (5–29%) | In 1 condition |
| CEP55centrosomal protein 55 | Not recorded | In 1 condition |
| FAM20CFAM20C golgi associated secretory pathway kinase | Not recorded | In 1 condition |
| FGFR1fibroblast growth factor receptor 1 | Not recorded | In 1 condition |
| FRAS1Fraser extracellular matrix complex subunit 1 | Not recorded | In 1 condition |
| PTDSS1phosphatidylserine synthase 1 | Not recorded | In 1 condition |
| PTH1Rparathyroid hormone 1 receptor | Not recorded | In 1 condition |
| RECQL4RecQ like helicase 4 | Not recorded | In 1 condition |
| SALL4spalt like transcription factor 4 | Not recorded | In 1 condition |
| SCARF2scavenger receptor class F member 2 | Not recorded | In 1 condition |
How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.
Narrower traits
Broader traits
Where this comes from
- The Human Phenotype Ontology, release 2026-09-01: the trait, its names, its definition and the genes linked to it. Find out more at hpo.jax.org.
- Data release 2026.10.16-c6eea6bf.
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