1989年9月,我院东校区有部分教职工、学生及家属突然发生皮炎,患者奇痒难忍,重者皮损面积大,还有烧灼疼痛感,影响工作、上课及睡眠,精神上极度痛苦,而且患者人数日渐增多,作者对此进行了病因调查,现将结果报告如下:1 发病情况:我校东区有一个系的师生员工共530人,患者102人,占该区总人数的19.2％,男78人,占总发病人数的76.5％,女24人,占总发病人数的23.6％。不同病人的 September 1989, our hospital East Campus has some faculty, students and their families a sudden dermatitis, patients with unbearable itching, severe skin lesions, burning sensation, affecting work, school and sleep, the spirit of extreme Painful, and the increasing number of patients, the author conducted a survey of the etiology, the results are reported as follows: 1 incidence: my school East Department has a faculty and staff a total of 530 people, 102 patients, accounting for the total number of the district 19.2%, 78 males, accounting for 76.5% of the total number of cases, 24 females, accounting for 23.6% of the total number of cases. Different patients