Abstract
The present study is a part of a project previously approved by the local ethics committee (Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo - HC/FMUSP - CAPPesq).1. DermatomyositisDermatomyositis (DM) is a rare disease characterized by chronic, systemic, idiopathic, autoimmune inflammatory myopathy, which is associated by high morbidity and functional disabilit…