children's brain magnetic resonance perfusion imaging for glioma research

《children's brain magnetic resonance perfusion imaging for glioma research》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Children’sbrainmagneticresonanceperfusionimagingforgliomaresearchOf:DfiniteelementGuoyueLinXiaoNancyIp[Abstract]Objective:TostudythemagneticresonanceperfusionimaginginChildrenDiagnosingBrainscanningtechnologyfeasibilityandoptimization.Methods:18casesofchildren’sbraingliomapatients,12male

2、sand6females,age5-16yearsoldchildreninthecontrolgroupof25patients,16malesand9females,aged3-14yearsold.usingGE1.5TSignaHigh-Speed​​MRIscanners,thedoubledoseofcontrastagentMagnevist(0.2mmol/kgbasedonvascularconditionsindifferentpatients,respectively2~4ml/sinjectionrate18Gtrocar

3、throughthebloodvesselsbytheinjectionofthebest,followedbyinjectionofnormalsalineatthesamerateof20ml.Results:MRperfusionimagequalityisdividedinto“poor”,“in““excellent“isdividedintothreelevels,contrastagentinjectionrate2ml/sgroupperfusionimagequalityandmoreas”poor“(12/17,injectionspeedof3ml

4、/sgroupofmostly”in“(14/16,injectionspeed4ml/sgroupareall“excellent”(6/6.CONCLUSION:MRperfusionimage13qualityandspeedofcontrastagentinjectioniscloselyrelatedtocontrastagentinjectionspeed>3ml/sistoobtainsatisfactionofthebasicconditionsforMRperfusionimages,andscansthefirstNursesonvascula

5、rstatusoftheselectionandassessmentofvascularcontrastagentisaprerequisiteforsuccessfulhigh-speedinjection.[Keywords:]Childrenperfusionmagneticresonanceimagingbrainglioma[Abstract]Objective:Tostudythefeasibilityandoptimizationofmagneticresonanceperfusionweightedimaging(MRPWI)inthediagnosis

6、ofcerebralgliomainchildren.Methods:18caseswithcerebralgliomawereselectedasthetrialgroup(female=6.male=12,agedfrom5to16years)while25caseswithoutcerebralgliomawereselectedasthecontrastgroup.GE1.5TSignaHigh-Speed​​MRIscannerwereusedanddoubledosage(0.2mmol/kg)Gd-DTPAweregivenby18

7、Gtrocarthroughthebestveinofeachchild.Theinjectionspeedrangedfrom2to4ml/s.Andthen20mlphysiologicalsalinewereinjectedatthesamespeed.Results:TheDWIqualitywasdividedintobad,goodandbest.Theimagequalitywasbadinthegroupinwhichtheinjectionspeedwas2ml/s(12/17,theimage13qualitygood