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张×,女,19岁,因左耳流脓5年于1980年3月19日入院。局部检查:无眼震,无面瘫,左外耳道后壁有针头大瘘管开口,探针可伸入,并有脓溢出,有胆脂瘤气味。左鼓膜完整。瘘管试验阴性。电测听检查左侧气导平均损失25dB,骨导平均损失20dB。左乳突侧、轴位X线摄片及碘油造影显示左上鼓室及鼓窦明显扩大。诊断左颞骨先天性胆脂瘤。3月22日在局
Zhang ×, female, 19 years old, was left hospitalized on March 19, 1980 for 5 years due to left ear pus. Local examination: no nystagmus, no facial paralysis, the posterior wall of the left external auditory canal fistula large needle openings, the probe can be inserted, and there is overflow of pus, with cholesteatoma smell. Left tympanic membrane intact. Fistula test negative. Electrical audiometry check the average loss of left air conduction 25dB, average bone conduction loss of 20dB. Left mastoid side, axial X-ray and lipiodol angiography showed the left upper tympanic cavity and the sinus significantly enlarged. Diagnosis of the left temporal bone congenital cholesteatoma. March 22 in the Bureau