The area of medicine that deals with disease and disorders of the ear, nose and throat region is called otolaryngology. The discipline also encompasses diseases of the adjoining head and neck areas. Otolaryngology is often referred to as a sub-discipline of surgery. This book presents researches and studies performed by experts from varied parts of the world. It aims to provide to its readers a broad spectrum of topics that fall under this field. This book is a compilation of interesting case studies from across the globe that would help in understanding the subject manner in comprehensive way. It will help the readers in keeping pace with the rapid changes in this field.