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刘某某,女,24岁,农民。右耳胀痛不适3月,听力稍有下降。当地医院发现耳部包块诊断为“中耳炎”,切开引流出无臭之棕黄色液,转入我院。检查:右耳后乳突区明显肿胀,但皮肤不红不热,按压有囊状感,明显触痛、压痛及叩击痛,尤以乳突尖部为甚。外耳道右壁(距外耳道口约1cm处)有一蚕豆大之隆起物堵塞外耳道,隆起处表面皮肤正常,有囊性波动感,因隆起物堵塞外耳道,无法窥视鼓膜。听力检查为导音性耳聋。囊液检查:黄色粘液,白细胞8～10/高倍,红细胞4～6/高倍,有淀粉变异细胞,无胆固醇结晶。 X线照片见右侧乳突区有一约5×3×3cm之骨质破坏区,边界整齐,周壁有轻度骨质硬化现象,破坏区内有部分分隔状结构(侧位断层4cm处
Liu Moumou, female, 24 years old, farmer. Right ear pain discomfort for 3 months, hearing slightly decreased. The local hospital discovered that the mass of the ear was diagnosed as “otitis media” and cut off the odorless brownish yellow liquid and transferred it to our hospital. Check: The mastoid area in the right ear is obviously swollen, but the skin is not red or hot. There is a cystic impression and obvious tenderness, tenderness, and percussive pain, especially at the tip of the mastoid. The right wall of the external auditory canal (about 1cm away from the external auditory canal) has a large bump of broad beans that blocks the external auditory canal. The skin on the surface of the uplift is normal and has a fluctuating sense of cystic nature. The tympanic edema can be blocked because the bulge obstructs the external auditory canal. The hearing test was guided hearing loss. Examination of the cystic fluid: yellow mucus, white blood cells 8 to 10/high, red blood cells 4 to 6/high, starch-variant cells, no cholesterol crystals. The radiograph shows a bone destruction area of about 5 x 3 x 3 cm in the right mastoid region. The boundary is neat, and the peripheral wall has a mild bone sclerosis. Part of the destructive structure is in the damage area (4 cm lateral fault).