OTITIS MEDIA Guangzhou medical college Second Affiliated Hospital Otolaryngology Ouyang shunlin The most important disease of the middle ear and mastoid are inflammations of various kinds and hearing loses. Tumors of the middle ear are rare. In this chapter we ll mainly discussed acute
General information Definition定义 Allergic rhinitis can be defined as a disease giving rise to two or three of the following symptoms: sneezing attacks serous hypersecretion(高分泌)and hasal blockage due to a swollen nasal mucosa
Background Rhinitis is defined as inflammation of the nasal membranes and is characterized by a symptom complex that consists of any combination of the following: sneezing, nasal congestion, nasal itching, and rhinorrhea. Allergic rhinitis is the most common cause of rhinitis