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1病例报告患儿,女,8岁,因发现左外耳道肿物20d来我院门诊,不伴发热、流脓、耳痛、耳鸣等症状,亦无全身不适。电测听检查(图1)示左耳传导性聋。耳纤维内镜(图2)示右耳鼓膜未见异常。左外耳道见光滑新生物,无法窥及鼓膜。颞骨超薄CT(图3)示左外耳道及乳突部占位性病变。入院后第3天在全身麻醉下行左侧颞骨肿物切除+左侧乳突切除术+游离颞肌瓣转移填塞术。术中左外耳道口见一蚕豆大肿物,与乳突腔内肿物为一体。乳突
1 case report Children, female, 8 years old, because of the discovery of the left external auditory meatus 20d to our hospital, without fever, pus, earache, tinnitus and other symptoms, and no general malaise. Electrical audiometry (Figure 1) shows left ear conductive deafness. Ear fibers endoscopy (Figure 2) showed no abnormalities of the right eardrum. The left external auditory canal see smooth new creatures, can not peep tympanic membrane. Temporal bone thin CT (Figure 3) shows the left external auditory canal and mastoid space occupying lesions. On the third day after admission, the left temporal bone tumor was removed under general anesthesia + left mastoid excision + free temporal muscle flap transfer and stuffing. Intraoperative left and right auricular mouth to see a large tumor of broad beans, and mastoid cavity tumor as a whole. Mastoid