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.
http://www.medicalnewstoday.com/articles/245081.php
http://www.medicinenet.com/vitiligo/article.htm
http://www.mayoclinic.com/health/vitiligo/DS00586
they can be hard to find, Major medical centers tend to have more medical dermatologists than local spots. Good luck to you. Mine is great, but he is across the US at Stanford...
Shawna