中耳胚胎性横纹肌肉瘤十分罕见,其发病率占耳科肿瘤的1/5,000～2,000.我院子1981年1月遇到一例,现报道于下.患儿女性,10岁,因左耳漏、耳痛1月,于1981年1月3日入院.一月前左耳持续流脓,伴耳痛、听力减退.在当地经抗炎药物治疗无效.入院前一周发现耳分泌物中混血,耳痛加重。无中耳炎史,无肿瘤家族史.检查:营养差,神志清,贫血面容.体表淋巴结无肿大。心、肺正常,肝、脾未触及.四肢活动正常。左外耳道深部有多个乳头状息肉,触之易出血,未见鼓膜。乳突部无红肿压痛.听力检查为传导性 Embryonic rhabdomyosarcoma of the middle ear is very rare and its incidence is 1/5,000 to 2,000 of otologic tumors. In our hospital, we encountered one case in January 1981 and are now reported to be present. The child is 10 years old due to left ear leakage and ear. Pain in January, admitted to hospital on January 3, 1981. January left ear continuous pus, with earache, hearing loss. In the local treatment by anti-inflammatory drugs ineffective. A week before admission found ear secretions mixed blood, earache Increase. No history of otitis media, no family history of cancer. Check: poor nutrition, clear mind, anemic face, no swelling of surface lymph nodes. The heart and lungs were normal, and the liver and spleen were not touched. The limbs were normal. There were multiple papillary polyps deep in the left external auditory canal, which caused easy bleeding and no tympanic membrane. No mastoid swelling and tenderness. Hearing examination is conductive