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真菌性外耳炎:病原微生物为曲霉菌。患侧外耳道潮湿,常有灰白色和黑色的不定形碎屑, 并觉阻塞不适。治疗:彻底清洗外耳道,去除脱落的表皮,然后吹入磺胺粉剂,使之分布于外耳道和鼓膜。一般一次即可治愈,有时则需重复治疗。作者认为,这种疗法比常规的应用醋酸间甲酚酯(Crestin)或同类药物进行外耳道填塞更为舒适,且效果良好。慢性分泌型外耳炎:可由多种原因引起,外耳道轻微肿胀,无触痛,细菌培养价值不大。治疗:(1)将龙胆紫液涂于外耳道及鼓膜表面;
Fungal otitis externa: pathogenic microorganisms aspergillus. Ipsilateral external auditory canal wet, often gray and black amorphous debris, and feel blocked discomfort. Treatment: Thoroughly clean the external auditory canal, remove the exfoliated epidermis, then infuse sulfa powder to distribute it in the external auditory canal and tympanic membrane. Generally can be cured once, and sometimes need repeated treatment. The authors believe that this treatment is more comfortable and works better than conventional Crestin or similar medications for external auditory canal packing. Chronic secretory otitis externa: can be caused by a variety of reasons, the external auditory canal mild swelling, no tenderness, bacterial culture is of little value. Treatment: (1) gentian violet liquid applied to the external auditory canal and tympanic membrane surface;