Background: Chronic hyperplastic eosinophilic sinusitis (CHES) is an inflammatory disease characterized by eosinophil infiltration of sinus tissue that can present with and without nasal polyps Cyanidin chloride (NPs). lymphocytes and eosinophil precursors that are nonspecifically recruited back to the diseased sinuses. Results: The possibility of an allergic reaction to peptides derived from bacteria (or superantigens)… Continue reading Background: Chronic hyperplastic eosinophilic sinusitis (CHES) is an inflammatory disease characterized