Chronic rhinosinusitis with nasal polyposis
Chronic rhinosinusitis with nasal polyposis (CRSwNP) is a persistent inflammatory condition of the nasal and sinus mucosa, characterized by the growth of benign polyps within the nasal cavity and sinuses. This condition affects approximately 2–4% of the global population, significantly impairing quality of life due to symptoms like nasal obstruction, facial pressure, anosmia (loss of