Tamura Yukie, Shirai Wakako, Tokumitsu Naoki
Department of Neurosurgery, Nayoro City General Hospital.
No Shinkei Geka. 2018 Aug;46(8):673-681. doi: 10.11477/mf.1436203792.
Two female patients presented with a subarachnoid hemorrhage because of ruptured intrameatal aneurysms of the distal anterior inferior cerebellar artery, which is extremely rare. Each patient underwent microsurgical direct neck clipping or trapping, as needed, by a retrosigmoid craniectomy with an unroofing of the internal auditory meatus. After the surgery, both patients manifested low hearing ability. In recent years, an endovascular therapy or occipital artery-anterior inferior cerebellar artery bypass with aneurysm trapping are being employed to treat intrameatal aneurysms. We present a review of literature, and referred features and treatment techniques for intrameatal aneurysms.
两名女性患者因小脑前下动脉远端内听道内动脉瘤破裂出现蛛网膜下腔出血，这种情况极为罕见。每位患者根据需要接受了经乙状窦后开颅并打开内听道的显微外科直接颈部夹闭或包裹术。术后，两名患者均表现出听力下降。近年来，血管内治疗或枕动脉 - 小脑前下动脉搭桥并包裹动脉瘤被用于治疗内听道内动脉瘤。我们对文献进行了综述，并介绍了内听道内动脉瘤的特征和治疗技术。
