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Recent studies have shown that mast cells are involved in pathophysiologic processes of chronic inflammation. However, little is known about the distribution of mast cells in nasal polyps, which is a chronic inflammatory disease of the upper airways. Biopsy specimens from patients with nasal polyps (n = 20) and control patients without nasal polyps (n = 8) were included in this study. The distribution...
Nasal polyposis is a chronic inflammatory disease of the nasal mucosa. The etiology and the mechanisms of formation of nasal polyps are still not clear. Interleukin (IL)‐18 is a novel proinflammatory cytokine that plays important roles in regulating immune inflammatory responses. However, the presence of IL‐18 in human nasal mucosa and its roles in the inflammatory process of nasal polyps has not...
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