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Related Experiment Videos

Allergic nasal polyps under scanning electron microscope.

J Składzeń1, K Obtułowicz, A Miodoński

  • 1Department of Otolaryngology, Collegium Medicum, Jagiellonian University, ul. Sniadeckich 2, 31-501 Cracow, Poland. korl@kki.net.pl

Medical Science Monitor : International Medical Journal of Experimental and Clinical Research
|June 2, 2001
PubMed
Summary
This summary is machine-generated.

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Nasal polyps in patients with asthma show surface changes, particularly in those intolerant to aspirin and non-steroid anti-inflammatory drugs (NSAIDs). Scanning electron microscopy revealed increased cilium-free areas and squamous cells, more pronounced in NSAID-intolerant individuals.

Area of Science:

  • Otorhinolaryngology
  • Pulmonology
  • Pathology

Background:

  • Recurrent nasal polyps and bronchial asthma often coexist.
  • A subset of these patients exhibit intolerance to aspirin and non-steroid anti-inflammatory drugs (NSAIDs).
  • Understanding the surface morphology of nasal polyps may offer insights into disease mechanisms.

Purpose of the Study:

  • To investigate the surface morphology of nasal polyps using scanning electron microscopy (SEM).
  • To compare polyp morphology between patients with and without intolerance to aspirin and NSAIDs.

Main Methods:

  • Nasal polyp specimens from 18 patients (recurrent polyps, bronchial asthma) were analyzed.
  • Nine patients had known intolerance to aspirin and NSAIDs.
  • Scanning electron microscopy (SEM) was employed to evaluate polyp surface characteristics.

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Main Results:

  • All polyp specimens showed increased areas of cilium-free epithelium.
  • These areas were covered with short microvilli and squamous epithelial cells.
  • These morphological changes were more pronounced and irregularly arranged in patients intolerant to aspirin and NSAIDs.

Conclusions:

  • Nasal polyps in patients with asthma exhibit distinct surface epithelial changes.
  • These changes are more pronounced in individuals with aspirin and NSAID intolerance.
  • SEM can identify these alterations, potentially aiding in understanding the pathophysiology related to drug intolerance.