Rheumatologists treat over 100 different kinds of conditions including Gout, Osteoarthritis, Rheumatoid Arthritis, Inflammatory Arthritis, Ankylosing Spondylitis, Psoriatic Arthritis, Uveitis, Giant Cell Arteritis, Osteoporosis, Polymyalgia Rheumatica, Spondyloarthropathy, CPPD Disease (Pseudogout), Still Disease, Autoimmune diseases such as Systemic Lupus Erythematosus, Vasculitis, Antiphospholipid Antibody Syndrome, Myositis.