The book reflects the current accepted practices in this field of medical specialty. Many experts have contributed to its contents. a special effort has been made to take into consideration, local factors prevailing in our country to emphasize their relevance in management recommendations. The entire text has been subdivided into smaller topics to facilitate the practitioners in accessing their areas of interest or concern easily and to keep their knowledge updated. The use of illustrations, charts and tables have been of great help in assimilating the changing trends in management practices.