Central Nervous System (CNS) complications in idiopathic inflammatory myopathies are seldom reported. The authors describe the case of a 48-year old female with polymyositis and positive anti-Jo-1 autoantibody who, after five years of evolution, developed extensive CNS demyelinating injury associated with lymphocytic arteritis.
polymyositis; central nervous system vasculitis; myositis-specific autoantibodies; anti-Jo-1
