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http://antioxidant-scleroderma.blogspot.com/2009/12/specific-signs-of-systemic-disease-skin.html
The diseases discussed in this chapter are, for the most part, uncommon diseases. They are listed here because the cutaneous manifestations are distinctive enough to be of diagnostic help or because the cutaneous involvement is an important contribution to the morbidity of the disease. Dermatomyositis Patients with dermatomyositis develop a cutaneous eruption in association with an inflammatory muscle disease of the autoimmune type.