Rheumatology is primarily the study of musculoskeletal diseases. Rheumatology is a specialty of medicine that focuses on the biology, cause, analysis and the management of various musculoskeletal and other systemic disorders. The field of rheumatology is growing speedily and numerous advancements have occurred in the past few years. Firstly, there has been an increase in comprehension regarding the nature of inflammation and the possibility of specially regulating the abnormal immune inflammatory response. Secondly, an analysis of pathogenesis has led to the creation of new, more targeted approaches. This book brings together a group of international experts who have studied specific aspects of certain rheumatic diseases and have a wide knowledge regarding the pathophysiology, diagnosis and management of rheumatic disorders. It deals with certain aspects of rheumatology and presents its readers with some useful researches conducted in this field.