Until recently, the contribution of immunological knowledge to the under standingand management ofENTdisorders was slight, being largely confined to the appreciation that many rhinitic patients were allergic. Happily, this situation is rapidly changing: the immunological basis of many disorders of the ears, nose and throat is becoming recognized and the mechanisms of the reactions involved are being elucidated. From this, rational therapy should evolve. This book aims to highlight some of the areas in which immunological mechanisms are involved in otorhinolaryngology. It is written by experts...