Newly revised and updated, this comprehensive, easy-to-use two-volume otolaryngology text is now in its Fourth Edition. More than 30 new chapters are included that reflect advances in the field, such as outcomes and evidence-based medicine, surgical management of nasal valve collapse and choanal atresia, immunology and allergy, allergic and non-allergic rhinitis, complications of rhinosinusitis, management of dysphagia, radiographic examination of the upper aerodigestive tract, endoscopic evaluation of the upper aerodigestive tract, cosmetic uses of Botox, and more. Coverage includes both adult and pediatric otolaryngology. All chapters are written by distinguished world-renowned authorities and contain summary highlights boxes, summary tables, and end-of-chapter reviews. More than 2,500 illustrations complement the text.