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metallic discoloration examination, metallic discoloration diagnosis

metallic discoloration examination, metallic discoloration diagnosis

Common inspection of metallic discoloration

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1. Histopathology of gold deposition showed that there were round or oval black granules with different sizes around dermal vessels and in histiocytes.

2. Histopathology of mercuric deposition showed that there were regular brown-black granules in the upper dermis, some of which were free and some of which were in macrophages.

3. Histopathology of siderosis showed that there were iron-containing pigmophilic cells in the upper dermis, and melanin in the basic cells could also increase slightly.

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