Rheumatology represents a subspecialty in internal medicine and
pediatrics, which is devoted to the diagnosis and therapy of rheumatic and
musculoskeletal diseases. Rheumatic and musculoskeletal diseases
(RMDs) are a diverse group of diseases that commonly affect the joints, but
can also affect the muscles, other tissues, and internal organs. There are
more than 200 different RMDs, affecting both children and adults.