Symptoms vary but they mostly involve skin disorders. The signs to look for include Raynaud's phenomenon, arthritis, myositis and scleroderma. Visual symptoms include discoloring of the skin and painful swelling.
Scleromyositis
Dermatomyositis
Pyomyositis
Juvenile dermatomyositis
Dermatopolymyositis
Inclusion body myositis
Polymyositis
Anetoderma