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目的探讨多层螺旋CT血管造影(MSCTA)对烟雾病的诊断价值。方法采用16层螺旋CT行脑MSC-TA检查,后处理技术为容积再现(VR)、多平面重建(MPR)及最大密度投影(MIP)。结果 MSCTA能清晰显示颈内动脉颅内段,脑基底动脉环等部位血管狭窄,闭塞的形态,管壁状况及狭窄程度,且能清晰显示增多、迂曲的脑基底部的异常血管网。结论 MSCTA检查可清晰显示成人烟雾病血管改变,可作为烟雾病的首选检查方法。
Objective To investigate the diagnostic value of multi-slice spiral CT angiography (MSCTA) on moyamoya disease. Methods The brain MSCT was performed with 16-slice spiral CT. The post-processing techniques were volume rendering (VR), multiplanar reconstruction (MPR) and maximum density projection (MIP). Results MSCTA could clearly show the vascular stenosis, occlusion morphology, wall status and stenosis in the internal carotid artery and the cerebral basilar artery rings, and could clearly show the abnormal vascular network with increased and tortuous cerebral basal ganglia. Conclusion MSCTA examination can clearly show the vascular changes in adult moyamoya disease, which can be used as the first choice for the detection of moyamoya disease.