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横纹肌肉瘤多发生在四肢,罕见于鼓室,现将所见l例报告如下。患者男,23岁,农民。因左耳流脓件同侧面瘫、乳突下缘包块五个月于1992年7月14日以急性化脓性中耳炎并Bezolds脓肿、面瘫收住院。既往无耳流脓史,发病后曾用青霉素每日600～800万U连续静脉点滴治疗两个月无效。体温、血象正常。左耳乳突区无红肿,其下缘与同侧枕部呈10cm 直径球状软性隆起,穿刺液呈咖啡色、清亮。清除左耳道脓血性分泌物,见鼓室有肉芽生长。左侧乳突部磁共振示乳突下缘囊肿,电测所检查:左耳传导性聋。入院第二天,局麻下行左耳乳突凿开,鼓窦呈3×3cm 破坏性变大,鼓窦及其入口有肉芽
Rhabdomyosarcoma occurred in the limbs, rare in the tympanic cavity, now see l cases are reported as follows. Male patient, 23 years old, farmer. Due to left ear purulent ipsilateral paralysis, the lower edge of the mastoid mass for five months on July 14, 1992 with acute suppurative otitis media and Bezolds abscess, paralyzed admitted to hospital. Past history of no history of auricular pus, penicillin has been used once daily 600 to 8 million U continuous intravenous drip two months of treatment is invalid. Body temperature, blood normal. Left ear papillae no swelling, the lower edge and ipsilateral occipital lobes were 10cm diameter spherical soft bulge, puncture fluid was brown, clear. Purging left ear purulent discharge, see the tympanic cavity with granulation growth. Left mastoid MRI showed mastoid lower edge of the cyst, electrical test: left ear deafness. On the second day of hospital admission, the left ear mastoidus was ablated under local anesthesia, the descending drum was 3 × 3 cm and destructive. The sinuses and their entrances had granulation