我们于1977年收治一例无机汞中毒患者,伴明显混合型肌萎缩侧索硬化,现报道如下。患者,男性,55岁,某汞矿冶炼工,工龄21年。作业环境中空气汞蒸气浓度经用甲醛肟法检测超过国家最高容许浓度0.01mg/M~3的10～200倍。除工作服,手套及纱布口罩外,工作时无其它防护用品。1972年,患者出现明显的神经衰弱症候群,易激动,易怒,舌和手指有轻度震颤,常发生口腔浅表溃疡,牙龈出血,牙松动,食少,经常服泻。尿汞测定多次 We admitted in 1977 a case of patients with inorganic mercury poisoning, with obvious mixed amyotrophic lateral sclerosis, are reported below. Patient, male, 55 years old, a mercury mine smelter, working 21 years. The concentration of air mercury vapor in the working environment was 10-200 times higher than that of the national maximum allowable concentration of 0.01 mg / M ~ 3 by formaldehyde oxime method. In addition to overalls, gloves and gauze masks, the work without other protective equipment. In 1972, patients with obvious neurasthenia syndrome, irritability, irritability, mild tremor of the tongue and fingers, often occur in oral superficial ulcers, bleeding gums, loose teeth, eat less, often taking diarrhea. Urine mercury determination several times