Systemic lupus erythematosus is a chronic, multisystem, inflammatory, autoimmune disorder characterized by formation of autoantibodies directed against self-antigens and immune-complex formation.
It can be diagnosed with a single organ involvement such as lupus nephritis.
It is predominantly diagnosed in females of childbearing age.
Clinical presentation varies in different patients and the disease activity varies over time in a single patient. Majority of patients have arthralgia of the hand.