Abstract
Dermatomyositis is a rare systemic autoimmune myopathy, characterized by primary involvement of the skin and striated muscle that leads to the functional disability with a high rate of morbidity and mortality. Several myositis-specific autoantibodies, including anti-Jo-1, anti-Mi-2, anti-TIF-1³, anti-NXP-2, anti-MDA-5, and anti-SAE allow to characterize it phenotypically, as well as how t…