Polymyositis

defining characteristics

Proximal muscle weakness, no rash (more of just ruling out other myopathies…)

disease development

Cell mediated immune response within the muscle (endomysial inflammation) involving T cells & macrophages

potential causes

epidemiology

risk factors

labimaging

Histology? CD8+ T cell/mo infiltration in NORMAL looking muscle!

conventional treatment

Corticosteroids

complications

prevention

protocols