Typical ‘malar’ or butterfly rash in SLE showing across the nasal and cheeks
Systemic Lupus Erythematosus is an autoimmune disease involving multiple organs. Antibody testing include Antinuclear antibodies (ANA), antiphospholipid antibodies, antibodies to double stranded DNA (dsDNA) and anti-Smith (Sm) antibodies.
Note: ANA is highly sensitive, but not specific. A positive anti-dsDNA and anti-Sm are highly specific antibodies for Lupus.
Find out the pathophysiology and the diagnostic criteria from this episode!
Common Rounds 