Comparison of Endotypic Stability in Various Populations With Chronic Sinusitis
Comparison of Endotypic Stability in Various Populations With Chronic Sinusitis
A Case control study with 150 cases and 50 controls will be conducted. Immunologic (cytokines measurements in nasal secretions and sinonasal tissues), histopathologic (tissue eosinophilia) and clinical parameters (Lund-Mackay and Lund-Kennedy score, lung function tests), surveys (SNOT- 22, SF-36 quality of life survey) will be compared between different groups of patients
Inclusion Criteria: