Polymyositis & Dermatomyositis Support Group
Polymyositis (PM) is a type of chronic inflammation of the muscles (inflammatory myopathy) related to dermatomyositis and inclusion body myositis. The inflammation is predominantly of the endomysium in polymyositis, whereas dermatomyositis is characterized by primarily perimysial inflammation.
However I should also mention that I just had my muscle biopsy and am not yet diagnosed. I am AB pos for one of the myositis antibodies.
Be well,
Tricia
Tricia