TY - CHAP M1 - Book, Section TI - Inflammatory Myopathies A1 - Bongartz, Timothy A1 - Dingle, Jodi A. A2 - Knoop, Kevin J. A2 - Stack, Lawrence B. A2 - Storrow, Alan B. A2 - Thurman, R. Jason PY - 2021 T2 - The Atlas of Emergency Medicine, 5e AB - Muscle weakness, not pain, is the hallmark feature of inflammatory myopathies. In polymyositis and dermatomyositis, the muscle weakness is typically proximal and symmetric. Inclusion body myositis can present with more distal end asymmetric muscle involvement. SN - PB - McGraw-Hill CY - New York, NY Y2 - 2024/10/09 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=1181053141 ER -