颈总动脉分叉处的囊性动脉瘤比较罕见。现将我们经B超诊断并手术证实的一例报告如下: 患者女性,59岁。1990年6月9日因呼吸困难,右颈部包块就诊。30年前,发现颈部核桃大小肿物,未行诊治,之后包块逐渐增大。患者无头痛、视觉障 Cystic artery bifurcation of the cystic aneurysms is relatively rare. Now we are diagnosed by B-ultrasound and confirmed by a case report is as follows: Female patients, 59 years old. June 9, 1990 due to breathing difficulties, right neck mass treatment. Thirty years ago, found that the size of the neck of walnuts, not diagnosed, and then gradually increase the mass. Patients without headache, visual impairment