Lupus is a complex autoimmune disease. In people with lupus, the immune system turns against parts of the body it is designed to protect. Lupus can affect many parts of the body, including the organs.Systemic lupus erythematosus (SLE)
is the form of the disease that most people are think of when they
speak of lupus. Systemic implies that the disease can affect many parts
of the body, including organs.
http://arthritis.about.com/od/lupus/a/guidetolupus.htm
http://arthritis.about.com/od/lupus/a/guidetolupus.htm