Dermatomyositis is often first apparent as a rash. The rash, which can be bluish-purple in color, reminiscent of bruising, typically occurs in patches on the face, neck, shoulders, upper portion of the chest, elbows, knuckles, knees, and back.
The first cases of dermatomyositis were discovered by E. Wagner in 1863 and P. Potain in 1875.
In about 20% of people, the disease spontaneously goes into remission and individuals are able to lead symptom-free lives for long periods
The exact cause of dermatomyositis is unknown
Only about 20,000 people in the United States have dermatomyositis
Dermatomyositis is identical to polymyositis with the addition of a characteristic skin rash.
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Dermatomyositis (DM) and inclusion body myositis and juvenile dermatomyositis.
In dermatomyositis, the muscle weakness is accompanied by a rash that appears on the upper body, arms, and fingertips
Prednisone and corticosteroids
Dermatomyositis - a muscle disorder.
Often the first sign of DM is the development of a patchy, scaly, violet to dark red skin rash on the face, neck, shoulders, upper chest, knees, or back
Although DM causes pain and weakness, it is not necessarily life threatening