Ear, nose, and throat concerns are some of the most common reasons for seeking medical treatment. From sinus problems to cancers of the head and neck, an ear, nose, and throat specialist is specially trained to diagnose and treat diseases affecting patients from the neck up. Otorhinolaryngology/head and neck surgery is a surgical subspecialty that is devoted to the diagnosis and management of adult and pediatric disorders related to the ear, nose, throat, and neck.