氯乙烯诱发的肝血管肉瘤是一种罕见的肿瘤,截止1981年世界文献报道仅约200例,国内目前还未见报道。氯乙烯是合成塑料的原料,自七十年代起对氯乙烯致癌问题,国内外进行了大量研究工作,1974年经国际会议确认氯乙烯为职业致癌物 Hepatic angiosarcoma induced by vinyl chloride is a rare tumor. As of 1981, only about 200 cases were reported in the world, and it has not been reported in China at present. Vinyl chloride is a raw material for synthetic plastics. Since the 1970s, a lot of research work has been conducted on the carcinogenicity of vinyl chloride, both at home and abroad. In 1974, it was confirmed by international conference that vinyl chloride was a professional carcinogen.