Mycoplasmas in the joints of patients with rheumatoid arthritis and other inflammatory rheumatic disorders: comment on the article by Hoffman et al

Rheumatoid Arthritis: Pathophysiology

This article reviews the incidence, etiology, and pathophysiology of rheumatoid arthritis (RA), along with signs and symptoms, laboratory, and other diagnostic parameters of the disease. Criteria utilized for defining RA are discussed. While the primary cause is unknown, theories implicate genetic, hormonal, viral, bacterial, autoimmune, atmospheric, and environmental factors. Recent studies focus on the role of immune complexes, endothelial cells, and antibodies in the disease process.