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Updated: Feb 8, 2026

Quadruple Immunostaining of the Olfactory Bulb for Visualization of Olfactory Sensory Axon Molecular Identity Codes
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Olfactory cleft dilatation.

R Jankowski1, D T Nguyen1, P Gallet1

  • 1Service ORL et chirurgie cervico-faciale, université de Lorraine, centre hospitalier régional universitaire de Nancy, 54500 Vandoeuvre-les-Nancy, France.

European Annals of Otorhinolaryngology, Head and Neck Diseases
|June 24, 2018
PubMed
Summary
This summary is machine-generated.

Olfactory cleft dilatation surgery improves smell disorders caused by narrow olfactory clefts. This technique offers a minimally invasive solution for patients with constitutional stenosis, leading to positive outcomes.

Keywords:
CacosmiaEthmoidHyposmiaOlfactionOlfactory cleft

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Area of Science:

  • Otolaryngology
  • Rhinology
  • Surgical Anatomy

Background:

  • Dysosmia, or smell disorders, can result from constitutional stenosis of the olfactory clefts due to abnormal ethmoid development.
  • Differentiating this condition from inflammatory obstruction and other pathologies like adenomatoid hamartoma is crucial for appropriate treatment.

Observation:

  • The surgical technique of olfactory cleft dilatation involves transmucosal lateral fracture-dislocation of the ethmoid's turbinate walls.
  • This procedure provides access to the olfactory mucosa and cribriform plate with minimal mucosal trauma.

Findings:

  • Three surgical cases demonstrated clear improvement in dysosmia following olfactory cleft dilatation.
  • No complications were reported in any of the treated cases.

Implications:

  • Olfactory cleft dilatation is a promising surgical option for dysosmia linked to constitutional olfactory cleft stenosis.
  • Further research is needed to fully establish the role of constitutional olfactory cleft stenosis in the diagnosis and management of smell disorders.