脉络膜前动脉综合征是由脉络膜前动脉的闭塞所致的缺血性脑血管病,其主要临床表现有偏瘫、偏身感觉障碍、同向偏盲三主征,及高级神经机能受累的表现。其特征性的CT所见即整个内囊后肢的低密度灶可作为临床诊断的根据,其主要病因为脑小血管疾病特别是高血压动脉粥样硬化。本文主要就上述方面进行阐述。 The anterior choroidal artery syndrome is an ischemic cerebrovascular disease caused by the occlusion of the anterior choroidal artery. The main clinical manifestations include hemiplegia, hemifacial sensory disturbances, tricuspid symptoms, and advanced neurological involvement. Its characteristic CT see that the entire inner hind limb low density lesions can be used as a basis for clinical diagnosis, the main cause of cerebrovascular disease, especially atherosclerosis of hypertension. This article mainly elaborates on the above aspects.