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原发中耳结核现在少见。作者们报告48例中耳结核中85%是二年间集中发病的。在41例原发中耳结核里有39例于中耳结核诊断建立前曾在某耳鼻咽喉科门诊经同一设备治疗过。因而考虑原发性中耳结核可能是在医院内经外耳道感染的。鹈饲氏认为原发性中耳结核的感染途径是在咽鼓管通气用压缩空气的吸引瓶中存在有结核菌,经咽鼓管感染;或被结核患者污染的器具和器械,结核菌经外耳道到达中耳引起感染。当一个中耳结核患者的耳道附有含结核菌的分泌物,点耳药的滴管如碰到分泌物,药液中便混有结核
Primary middle ear tuberculosis is now rare. The authors report that in 85 cases of middle ear tuberculosis, 85% were concentrated in two years. In 41 cases of primary middle ear tuberculosis, 39 cases were treated with the same device at an otolaryngology clinic before the diagnosis of middle ear tuberculosis was established. Thus consider the primary middle ear tuberculosis may be in the hospital through the external auditory canal infection. Pellets think that the primary infection of middle ear tuberculosis in the Eustachian tube with compressed air suction bottle exists in the presence of tuberculosis, eustachian tube infection; or tuberculosis patients contaminated appliances and instruments, TB External auditory canal to reach the middle ear cause infection. When a middle ear tuberculosis patient’s ear with tuberculosis secretions attached to the ear drops of medicine, such as the impact of secretions, the liquid will be mixed with tuberculosis