患者 ,女 ,55岁。 1 996年 3月右耳出现与心跳一致的持续搏动性耳鸣 ;8月 ,耳鸣加重 ,右耳闷胀 ,乳突部胀痛 ,当地医院就诊发现右耳鼓膜外移 ,深蓝色。以“胆脂瘤”手术 ,术中见中耳内为深蓝色息肉样组织 ,取之出血汹涌 ,填塞 ,未继续手术。术后病理为“腺癌”,补行 CT及 MRI检 Patient, female, 55 years old. In March 996, the right ear showed persistent pulsatile tinnitus that was consistent with the heartbeat. In August, the tinnitus increased, the right ear swelled, and the mastoid bulges. The local hospital found that the tympanic membrane of the right ear moved outward, dark blue. With “cholesteatoma” surgery, the dark blue polypoid tissue in the middle ear was seen during surgery, and the bleeding was raging and tamponade. The operation was not continued. Postoperative pathology as “adenocarcinoma”, supplementary CT and MRI examination