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Allergy as an etiologic factor in nasal polyposis
A Sin1, E Terzioğlu, A Kokuludağ
1Department of Immunology, Ege University, Medical Faculty, Izmir, Turkey.
Summary
Allergy plays a role in nasal polyposis. Many patients with nasal polyposis showed positive allergy tests, suggesting an IgE-mediated mechanism in some cases.
Area of Science:
- Immunology
- Otolaryngology
Background:
- Allergy is a known factor in nasal polyposis.
- Nasal polyposis often co-occurs with asthma, chronic sinusitis, and aspirin hypersensitivity.
Purpose of the Study:
- To investigate the incidence of allergy in patients with nasal polyposis.
- To explore potential immunological mechanisms underlying nasal polyposis.
Main Methods:
- Evaluated 95 nasal polyposis patients using total IgE, RAST, and skin prick tests (SPT).
- Examined polyp tissue histopathology in 21 patients.
- Measured IgG subclass levels.
Main Results:
- Mean serum IgE was higher in patients.
- SPT was positive in 66.3% of patients.
- 45.2% of patients were classified as allergic based on SPT and RAST.
- Elevated total IgE and IgG4 levels were observed in the SPT-positive group.
Conclusions:
- A significant portion of nasal polyposis patients exhibit allergic sensitization.
- Findings suggest an IgE-mediated allergic mechanism in a subset of nasal polyposis patients.