The branch of medicine which deals with the surgical treatments of ear, nose and throat as well as related structures such as head and neck, is referred to as otolaryngology. Various sub-specialties of otolaryngology include pediatric otolaryngology, laryngology and voice disorders, facial plastic and reconstructive surgery. Pediatric otolaryngology deals with velopalatine insufficiency, cleft lip and palate, as well as vascular malformations. Laryngology and voice disorders include phono-surgery and swallowing disorders. Surgeries such as facial cosmetic surgery, maxillofacial surgery, traumatic reconstruction and craniofacial surgery fall under the category of facial plastic and reconstructive surgery. Another important field of otolaryngology is rhinology which deals with nasal obstruction, nasal septum deviation, sinusitis, environmental allergies, pituitary tumor and empty nose syndrome. This book attempts to understand the multiple branches that fall under the discipline of otolaryngology and how such concepts have practical applications. It includes contributions of experts which will provide innovative insights into this field. This book is a resource guide for experts as well as students.