3、,ZHENGWen-bin,etal.DepartmentofRadiology,TheSecondAffiliatedHospitalofMedicalCollegeofShantouUniversity,Shantou,Guangdong515041,China [Abstract] Objective To studythevalueandlimitsof64-rowmultisectionCTdigitalsubtractionangiography(DSCTA)inthediagnosisofintracra