毛细血管瘤发生在中耳乳突部很少见，我院曾遇1例。报告如下。患者女，46岁。18年前开始出现无诱因的右耳鸣，高音调，持续性，伴头晕，未予治疗。7年前右耳流脓，耳痛，易出血，听力减退。经耳内点药，口服抗生素，效果不明显。40d前因上呼吸道感染，右耳疼痛加重，脓液增多， Capillaries occur in the middle ear mastoid rarely seen in our hospital in 1 case. The report is as follows. Female patient, 46 years old. 18 years ago, there began to appear no incentive of the right tinnitus, high pitch, persistent, with dizziness, no treatment. Right ear pus, earache, hemorrhage, hearing loss 7 years ago. Oral medicine, oral antibiotics, the effect is not obvious. 40d ago due to upper respiratory tract infection, increased pain in the right ear, increased pus,