Editorial: Advances in the diagnosis and treatment of

patients with chronic rhinosinusitis and allergy With each new year, we witness numerousadvancements in our understanding of chronic rhinosinusitis and welcome novel treat-ments to improve outcomes in our patients. This January edition of the American Journal of Rhinology and Allergy includes a variety of original research and review articles that answer important questions and provide insight into the pathophysiology and treatment of chronic rhinosinusitis (CRS), allergic rhinitis, and sinonasal tumors. Intranasal corticosteroids are one of the most commonly used treatment options for patients with nasal polyps, rhinosinusitis, and allergic rhinitis. Verkerk et al1 leads off this issue of the AJRA with an insightful systematic review that investigates th