Chronic rhinosinusitis (CRS) is characterized by chronic inflammation of the sinonasal mucosa, affects over 12% of the US population, and costs over $20 billion annually. CRS can be divided into 2 major phenotypes based on whether nasal polyps are present (chronic rhinosinusitis with nasal polyps [CRSwNP]) or absent (chronic rhinosinusitis without nasal polyps). This grand rounds review will discuss the clinical approach to patients with CRSwNP, including typical presentations, workup, and currently available treatment options. Tools that physicians can use to assess subjective sinonasal symptoms, as well as objective measures of disease, will be reviewed. Additional focus will be on recognizing clinical comorbidities commonly associated with CRSwNP, including asthma, bronchiectasis, allergic rhinitis, and nonsteroidal anti-inflammatory drug-exacerbated respiratory disease. Clinical outcomes can be improved by providing a comprehensive approach to evaluating (and managing) patients with CRSwNP.
Keywords: Chronic rhinosinusitis; Corticosteroids; Diagnosis; Nasal polyps; Sinus surgery; Treatment; Type 2 biologics.
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