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患者,女,31岁,住院号85—810。诉左耳自幼听力差,反复痛,耳后流脓一年。于1985年8月22日入院。患者从记忆起即感左耳听力不好,12岁时用火柴棒挖耳,发现耳道内有硬块堵塞,但不痛,也不流脓。一年前无明显原因左耳内跳痛,继之耳后红肿溃烂、流脓,经久不愈。每当脓液引流不畅时,耳内即痛,伴左侧头闷痛,经肌注“青霉素”或瘘管引流通畅脓量增多后,症状消失。检查:左耳后沟偏下有一痿管溢脓,探针向鼓室方向可伸入2cm;外耳道内被一半球形肿物堵塞,仅留前上方小裂隙,无法看清鼓膜;肿块皮肤颜色正常,但有触痛,硬,其基底在外耳道后壁。右耳道畅,鼓膜标志完整。音叉试验及听力计检查左
Patient, female, 31 years old, hospital number 85-810. The left ear complained of poor hearing, repeated pain, ear suppurative year. On August 22, 1985 admitted. From the memory of the patient that left ear hearing is not good, 12-year-old with a matchstick dug ears and found lumps within the ear canal block, but no pain, no pus. A year ago, no obvious reason for the left ear pain, followed by ear swelling, ulceration, pus, prolonged healing. Whenever poor drainage of the pus, the ear that pain, with the left head boring pain, by intramuscular injection of “penicillin” or fistula drainage patency increase after the abolition of the symptoms disappear. Check: the left ear posterior groove under a fistula overflow pus, the probe can be inserted into the tympanum direction 2cm; external auditory canal was blocked by a half spherical tumor, leaving only the top of the small cracks, can not see the tympanic membrane; normal skin mass, But tenderness, hard, its base in the posterior wall of the external auditory canal. Smooth right ear, tympanic membrane mark complete. Tuning fork test and audiometer check left