Rheumatic diseases are autoimmune disorders that affect bones, joints, muscles, and organs. They generally cause joint pain, swelling of the affected region, and reduced motion of joints. The most common rheumatic diseases are rheumatoid arthritis, osteoarthritis, polymyalgia rheumatica, lupus, and ankylosing spondylitis.

Due to the variety of clinical manifestations of rheumatic diseases, differential diagnosis is essential to identify the disease and provide appropriate treatment. Here is a quiz based on interesting case reports to refresh your knowledge of manifestations of rheumatic diseases!