蠕形螨是一种水久性寄生螨,寄生在毛囊内和皮脂腺内,引起相应部位的病变,诸如毛囊炎、酒渣鼻等。有关蠕形螨寄生在外耳道引起痒症的报道目前不多,作者于1986年对学生外耳道蠕形螨感染情况进行了调查,结果报道如下。 1 对象:在校中、小学生、大学生及少数教职工为检查对象。 2 方法:用挖耳勺从外耳道挖取盯宁,放入纸袋,带回实验室用70％甘油水溶液处理标本,复以盖玻片,然后镜检。 Demodex is a long-term water parasitic mites, parasitic in the hair follicles and sebaceous glands, causing the corresponding parts of the lesions, such as folliculitis, rosacea and so on. About Demodex mites parasitic external auditory canal caused itch disease reports are few, the author in 1986 on the external auditory canal Demodex mites infection were investigated, the results reported below. 1 object: in school, primary school students, college students and a small number of staff for the inspection object. 2 Methods: Ear pick scoop from the external auditory meatus, into the paper bag, back to the laboratory with 70% glycerol solution of the specimen, re-cover glass, and then microscopic examination.