患者，女，３８岁。因反复右耳外耳道流脓１年、加重８日入院。患者于１年前因挖耳不慎致右耳外耳道损伤出血，后流出黏性脓液，并形成脓痂堵塞外耳道，听力下降，右耳周围红肿，疼痛。在当地医院诊断为外耳道炎，治疗１周，症状缓解后出院。以后症状反复发作，时轻时重，在多 Patient, female, 38 years old. Due to repeated right ear ear suppuration for 1 year, increased on the 8th admission. One year ago, the patient accidentally caused bleeding to the ear and ear canal due to ear digging. Afterwards, viscous pus was outflow and the pus calluses blocked the external auditory canal, hearing loss and swelling and pain around the right ear. In the local hospital diagnosis of otitis externa, treatment for 1 week, relieved symptoms and discharged. Symptoms after repeated attacks, when light weight, in more