革螨主要寄生于褐家鼠、小家鼠等室内鼠类。常引起家禽动物螨性皮炎及传播多种疾病。大连地区尚未见革螨对人类危害的正式报道。日前我们诊治了大连市一家祖孙三代同时感染本虫，并引起严重全身性螨性皮炎的病例，现报道如下。患者，女，６２岁。全身皮肤出现丘疹伴瘙痒１... Leather mite parasitic mainly in Rattus norvegicus, Mus musculus and other indoor rats. Often caused by poultry animal mite dermatitis and spread a variety of diseases. Dalian area has not yet been found in the official report of human mites. A few days ago we diagnosed a three generation of ancestor and grandchild in Dalian at the same time infected with the insects, and cause severe systemic mites dermatitis cases are reported below. Patient, female, 62 years old. Whole body skin papules with itching 1 ...