The numerous types of tumors which are malignant in nature, and which occur in and around the nose, throat, larynx and mouth are termed as cancers of the head and neck. Most of the cancers which belong to this category are squamous cell carcinomas. Some of the major types of head and neck cancers are laryngeal and hypopharyngeal cancer, nasopharyngeal cancer, salivary gland cancer, and nasal cavity and paranasal sinus cancer. The diagnosis of these cancers can be done through various methods such as MRI, CT scan, ultrasound, physical examination, biopsy, endoscopy and X-ray. The major ways in which these cancers can be treated are through surgery, radiation therapy, and medications such as chemotherapy, targeted therapy and immunotherapy. This book includes some of the vital pieces of work being conducted across the world, on various topics related to the cancers of the head and neck. It provides significant information of this discipline to help develop a good understanding of the diagnosis and treatment of these diseases. Those in search of information to further their knowledge will be greatly assisted by this book.