膀胱癌是泌尿系统常见癌症。统汁资料显示,接触偶氮染料的人群,膀胱癌发病率显著增高,像长期接触偶氮染料的日本和服画家是膀胱癌高发人群,其膀胱癌发病率较期望值高数倍。偶氮染料应用极其广泛,棉毛、丝、麻等天然纤维和尼龙,聚丙烯等合成纤维及其纺织品,皮革、皮毛、纸张、塑料、地毯等的染色离不开偶氮染料;油墨、墨水、颜料、涂料、油漆、木材染色剂、化妆品等制造,也要应用偶氮染料,可见接触人群之广泛,这也是近几年来膀胱癌发病率增高的重要原因。 Bladder cancer is a common cancer of the urinary system. Systemic juice data show that contact with azo dyes in the population, the incidence of bladder cancer was significantly higher, such as long-term exposure to azo dye kimono painter is a high incidence of bladder cancer in the population, the incidence of bladder cancer several times higher than expected. Azo dyes are widely used. Natural dyes such as cotton wool, silk and hemp, synthetic fibers such as nylon and polypropylene, textiles, leather, fur, paper, plastic and carpet can not be separated from azo dyes. Inks, inks, Pigments, paints, paints, wood stains, cosmetics and other manufacturing, but also the application of azo dyes, showing a wide range of exposure to the crowd, which is also an important reason for the increased incidence of bladder cancer in recent years.