Otolaryngology is a subfield in medicine that focuses on the conditions of the ear, nose and throat. It also deals with the conditions of other related structures of head and neck. It is concerned with the surgical management of cancers and benign tumors of the head and the neck. The most important procedures of otolaryngology are free muscle and bone transfer, free skin and fat transfer as well as microvascular reconstruction repair. In free muscle surgery, a muscle is collected from the back or abdominal region to reconstruct the skull or cranial vault. Whereas the free bone transfers deal with the bone defects. Bone transfers are used for the mandibular reconstruction. This book contains some path-breaking studies in the field of otolaryngology. It presents researches and studies performed by experts across the globe. The readers would gain knowledge that would broaden their perspective about otolaryngology.