Nasal rhinitis polyposis not only decreases the quality of life of affected patients, but the relationship between the upper and lower respiratory tract makes the treatment of this condition of critical importance.

History of Nasal Polyposis.- Epidemiology of Nasal Polyps.- Pathology of Nasal Polyps.- The Inflammatory Process in Nasal Polyposis: Genetics, Molecular Biology, and Electrophysiology.- Eosinophil.- Radiologic Imaging of Nasal Polyposis.- Pathogenesis and Pathophysiology of Nasal Polyps.- Mucin Expression in Nasal Polyps.- Biofilms.- Staphylococcus-aureus-derived Superantigens in Nasal Polyp Disease.- Fungal-Induced Inflammation and Nasal Polyps.- Categorization of Nasal Polyps.- Nasal Polyps and Lower Respiratory Tract Relationship.- Nasal Polyp, Analgesic Intolerance, and Bronchial Hyperreactivity.- Allergic Fungal Sinusitis.- Vasculitis Including Churg-Strauss Syndrome.- Nasal Polyps in Cystic Fibrosis.- Nasal Polyposis in Children: A Differential Diagnosis and Algorithm.- Olfaction and Nasal Polyposis.- New Areas for Investigation: Nitric Oxide.- Current Concepts on the Pathomechanisms of Chronic Rhinosinusitis and Nasal Polyps.- Relapses After Surgery and Their Prevention.- Cortison Therapy in Nasal Polyposis.- Antifungal Treatment (Topical/Systemic).- Antibiotic Treatment (Topical/Systemic).- Aspirin Intolerance.- Where Are We in the Medical Treatment of Nasal Polyps.- Anesthetic Management in Nasal Polypectomy.- Surgical Treatment of Nasal Polyposis.- Nasalisation in the Surgical Treatment of Nasal Polyposis.- Reasons for Failure and Complications of Surgery in Diffuse Nasal Polyposis.- Nasal Polyposis: Aggressive Sinus Marsupialization Including the Endoscopic Modified Lothrop Procedure.- Evaluation of Surgical Treatments.