Rheumatology is a subspecialty devoted to diagnosis and treatment of conditions and diseases that affect the musculoskeletal system. The Rheumatologists at Susquehanna Health treat clinical problems involving bones, joints, and soft tissues. Rheumatoid arthritis, osteoporosis, gout, osteoarthritis, psoriatic arthritis, and vasculitis are a few of the more common problems seen by rheumatology specialists.