Objective:To investigate the value of 3D-TOF-MRA scan in determination of vascular stenosis degree of cerebral infarction and its correlation with serum index.Methods:60cases of acute cerebral infarction patients in our hospital were enrolled as observation group and was divided into mild stenosis group,moderate stenosis group,severe stenosis group according to vascular stenosis degree deternined by 3D-TOF-MRA scan.60 cases of health people treated in our hospital during the same period were enrolled as con...