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我科自1986～1990年共收治中耳恶性肿瘤4例,现介绍如下。1 临床资料 例1.女,46岁。右耳道内无痛性肿块8年,耳周围肿痛2个月。查体:有颞鳞及乳突肿胀,波动。耳道后壁半球形隆起,质软,分泌物少许。电测听右耳气导70分贝,骨导消失。在局麻下行乳突根治、鼓室成形Ⅳ型手术。术中见筛区有骨瘘,骨膜下积脓,骨性耳道后壁破坏,中耳乳突腔内广泛肉芽样肿物。病理诊断中耳多形性腺瘤。随访5年仍健康,听力较术前提高20分贝。 例2.男,14岁。两个月前因伤风左耳流脓,耳
Our department from 1986 to 1990 were treated in 4 cases of middle ear malignant tumor, are described below. 1 clinical data example 1. Female, 46 years old. Right ear canal painless mass 8 years, 2 weeks of swelling around the ear pain. Physical examination: a temporal scales and papillae swelling, fluctuations. Posterior wall of the posterior hemisphere bulge, soft, a little secretions. Electricity measured right ear air guide 70 db, bone conduction disappeared. Under local anesthesia radical mastoidectomy, tympanic membrane formation of type IV surgery. Surgical see the screen area with fistula, subperiosteal empyema, bony destruction of the posterior wall of the ear canal, middle ear and ear cavity a wide range of granulomatous masses. Pathological diagnosis of middle ear pleomorphic adenoma. Five years follow-up is still healthy, hearing increased 20 dB compared with preoperative. Example 2. Male, 14 years old. Two months ago due to cold left ear pus, ears