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患者,男,17岁,因左耳流脓伴听力下降18年余入院。查体:左外耳道内见分泌物及肉芽样组织。CT检查示:左侧鼓室到乳突见软组织影,周围骨质密度增高,与软组织相连,骨质呈虫蚀样。CT诊断:胆脂瘤型中耳炎(左)。入院后行左乳突根治术见:左外耳道内段存大量腐烂的棉絮样物,伴脓性分泌物,鼓室、鼓窦入口扩大,粘膜上皮化,未见明显胆脂瘤。术后追问病史,患者诉有几次用棉球掏耳后未能取出。术
Patient, male, 17 years old, admitted to hospital due to left ear pus with hearing loss for 18 years. Physical examination: see the secretion of the left external auditory canal and granulation tissue. CT examination showed: the left tympanic mastoid see soft tissue shadow, the surrounding bone density increased, connected with the soft tissue, the bone was worm erosion samples. CT Diagnosis: Cholesteatoma otitis media (left). After admission, left radical mastoidectomy see: a large number of decay in the left external auditory canal cotton swab samples, with purulent discharge, tympanic cavity, enlarged entrance of the sinuses, mucosal epithelization, no significant cholesteatoma. After medical history, the patient v. Several times with a cotton ball dig ear failed to remove. Surgery