Chronic rhinosinusitis (CRS) is the downstream manifestation of heterogeneous pathophysiologic mechanisms leading to chronic sinonasal inflammation. Traditional grouping of patients by symptoms or clinical findings/phenotypes is being replaced by classification… Click to show full abstract
Chronic rhinosinusitis (CRS) is the downstream manifestation of heterogeneous pathophysiologic mechanisms leading to chronic sinonasal inflammation. Traditional grouping of patients by symptoms or clinical findings/phenotypes is being replaced by classification of CRS patients based on the underlying pathophysiologic mechanisms: endotypes.
               
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