皮疹的变化从斑丘疹(底部扁平的病变)，一直到小水疱(充满液体的小疱)、脓疱，大约10天左右伴随而来的便是结痂。

Evolution of the rash from maculopapules (lesions with a flat bases) to vesicles (small fluid-filled blisters), pustules, followed by crusts occurs in approximately 10 days.

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皮疹不存在所谓的斑丘疹，斑疹和丘疹并存是可以的。

There is no such thing as a maculopapule, but there may be both macules and papules in an eruption.

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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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