The lupus erythematosus ( LE ) cell test was commonly used for diagnosis, but it is no longer used because the LE cells are only found in 50 75 % of SLE cases, and they are also found in some people with rheumatoid arthritis, scleroderma, and drug sensitivities.
12.
Building on the knowledge that those with SLE had auto-antibodies that would attach themselves to the nuclei of normal cells, causing the immune system to send white blood cells to fight off these " invaders ", a test was developed to look for the anti-nuclear antibody ( ANA ) rather than the LE cell specifically.
13.
This discovery led to one of the first definitive tests for lupus since LE cells are found in approximately 60 % of all people diagnosed with lupus . " ( Note : The LE cell test is rarely performed as a definitive lupus test today as LE cells do not always occur in people with SLE and can occur in individuals with other autoimmune diseases.
14.
This discovery led to one of the first definitive tests for lupus since LE cells are found in approximately 60 % of all people diagnosed with lupus . " ( Note : The LE cell test is rarely performed as a definitive lupus test today as LE cells do not always occur in people with SLE and can occur in individuals with other autoimmune diseases.
15.
This discovery led to one of the first definitive tests for lupus since LE cells are found in approximately 60 % of all people diagnosed with lupus . " ( Note : The LE cell test is rarely performed as a definitive lupus test today as LE cells do not always occur in people with SLE and can occur in individuals with other autoimmune diseases.
