摘要
对１０５例癫痫患者在发作间期进行了单光子发射计算机断层扫描（ＳＰＥＣＴ）检查，并对其中２０例在发作期也进行了扫描。该２０例中，发作期局部脑血流均较发作间期有不同程度提高，将两组图像经减影处理后得出一组减影图像，该减影图像可显示出血流改变区即致痫灶的具体大小及形态，以此结果指导手术。１０例发作完全控制；６例发作减少７５％以上；３例减少５０％；１例无改善，总有效率达９５％。术后半年对其中５例进行了ＳＰＥＣＴ复查，并与术前发作间期进行减影处理，发现除皮质切除部位外，脑血流灌注均有不同程度改善。
SinceApril1991,105patientswithepilepsywereexaminedwithSPECTimagingduringinterictalperiod.IctalSPECTimagingwasalsoexaminedin20casesamongthemandrevealedthattheregionalcerebralbloodflowwasincreasedbycomparingwiththatininterictalphase.Aftersubtractprocessing,thesizeandshapeofepilepticfociweredisplayedclearly.Operationswereperformedac-cordingtothesefindings.Seizureswerecompletelycontroledintencases,decreasedbymorethan75%insix,morethan50%inthre,andunchangedinone.Thetotalefectiveratereachedto95%.Halfayearafteroperation,SPECTimagingwasdoneinfivecasesandsubtractprocesingwasmadetothatofpreoperativeinterictalphase.Theresultsshowedthatthebrainbloodflowelevatedinsomedegreeex-ceptthesiteofresectedcotex.
出处
《中华神经外科杂志》
CSCD
北大核心
1996年第5期295-298,共4页
Chinese Journal of Neurosurgery
关键词
癫痫
手术
CT
痫灶定位
EpilepsySurgerySPECTEpilepticfocilocatization
