短暂性脑缺血发作（TIA）是指某一脑动脉血流量突然降低到临界值以下出现的一组神经功能障碍症候群，其临床表现在24小时以内恢复正常，反复发作，但可因脑缺血造成脑组织的病理性损伤，导致梗死。为了探讨对n患者脑梗死发生率，本文将通过CT检查的38例TL的临床表现及O结果报道 Transient ischemic attack (TIA) is a group of neurological dysfunction syndrome that occurs when the blood flow of a certain cerebral artery suddenly drops below the critical value. The clinical manifestations of the transient ischemic attack (TIA) return to normal within 24 hours and recurrent. However, Blood causes pathological damage to brain tissue, leading to infarction. In order to explore the incidence of cerebral infarction in patients with n, this article will be CT examination of 38 cases of TL clinical manifestations and O results reported