TY - CHAP M1 - Book, Section TI - Dermatomyositis and Polymyositis A1 - Bissonnette, Bruno A1 - Luginbuehl, Igor A1 - Engelhardt, Thomas PY - 2019 T2 - Syndromes: Rapid Recognition and Perioperative Implications, 2e AB - Both diseases belong to a group of connective tissue disorders known as idiopathic inflammatory myopathies. They are a multisystem disease characterized by necrotizing inflammatory myopathy of striated muscles and a skin rash, both of unknown etiology. Dermatomyositis is a form of polymyositis accompanied by distinctive skin inflammation and rashes, muscle weakness, and inflammatory myopathy. Polymyositis is characterized by inflammation and degeneration of muscles, especially the proximal musculature, flexion of the neck and torso. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/20 UR - accesspediatrics.mhmedical.com/content.aspx?aid=1164067790 ER -