左上肢出现暗红色增生性斑块伴疼痛半年。
The dark red hyperplastic plaque with pain on her left arm had been found for half a year.
红色和紫色斑片和斑块也可出现于别的皮肤部位，特征性的丘疹出现于指节（Gottron丘疹）。
Red or violaceous patches and plaques may be present on other areas of the skin. Characteristic papules are present over the knuckles (Gottron's papules).
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