Nasal polyposis is seen in many disease states, including allergic and non-allergic rhinitis. Since the quality of life for patients afflicted with this condition decreases, such patients frequently seek medical help. Further, the relationship between the upper and lower respiratory tract makes the treatment of nasal polyposis of critical importance. New research findings, as well as new technical developments, have changed the conventional medical and surgical approaches to treating nasal polyposis, the result of which has been significant advances in the management of the disease. This book, written by authors internationally recognized for their laboratory research and clinical practice, is lavishly illustrated and reader-friendly. It includes the latest information on nasal polyposis, and aims to help the reader improve the daily management of patients affected by this condition.