Bronze hyperpigmentation is seen in hemochromatosis and arsenic intoxication. 青铜色的色素沉着见于血色素沉着症和砷中毒。
Today thousands of the region's residents suffer from arsenic poisoning, with symptoms ranging from freckled skin to squamous cell carcinoma. 现在,贵州居民有几千人苦于砷中毒,症状从皮肤上布满斑点到鳞状上皮皮肤癌都有。