PET探测器的现状及发展趋势

:1999211215:2000202223PET310027(PET)PET,:CurrentStatusandFutureProspectofDetectorsforPositronEmissionTomographyLiuHuafengBaoChaoStateKeyLab.ofModernOpticalInstruments,ZhejiangUniversity,Hangzhou310027TakajiYamashitaCentralReserchInstitat,HamamatsuOptronCO.,JapanAbstract:PositronEmissionTomography(PET)hasbecomeapowerfultoolforscientificstudies.Thispaperde2scribesthecurrentstatusofthedetectorforPET.Newschemesofdepthofinteraction(DOI)detectorandthedetectorbasedonsemiconductordeviceshavealsobeenintroduced.KeyWords:PositronEmissionTomography,Detector,Depthofinteraction(DOI)1PET(PositronEmissionTomography),,,,PET,,,,,,,,,180,,,1(Co2incidenceevent),PET,,1,2PETPET(PMT),1951WrennSweet1PETPET(LSF)(FWHM)937PETLSF,FWHM,10,PET1015mm35mm,,PMT,PMT2a2bPETBGO222PETPMTBGO,(PS-PMT)222,2c:,,PS-PMT,,,,2PETBGO1.13cm,,BGO,BGOLSOBGO3PETPET:(DOI);PMT311DOI3,PET,,PET,3PETM.SchmandDOI,4a2LSOGSO4,GSO,GSOLSO4bDOI4DOIBGO/GSO3,BGOGSO,5BGOGSO5BGO/GSODOI,042000PS-PMTBGO46aPS-PMTs6DOI312PETPMT;PMT,PMT-1600V,PS-PMT-800V,-200V;PETPMT,PMT;PMTSi-PDAPDPET,DOI6b(UCLA)MosesDerenzoPET88PIN-PD,,PIN-PDPMT,5PET,CdTe,CdZnTe,CdZnTe,PETCdZnTePET,,CdTeCdZnTe,,PET,CdTeCdZnTe.4PET50,:PETPET,SPECT(),,PET6,,PET1E.R.Wrenn,M.L.GoodandP.Handler.Science,1951;113:525.2M.Schmand,L.Erikssonetal.PerformanceresultsofanewDOIdetec2torblockforahighresolutionPET-LSOresearchTomographyHRRT.IEEETrans.Nucl.Sci,1998;45.3S.YamamotoandH.Ishibashi.AGSOdepthofinteractiondetectorforPET.IEEETrans.Nucl.Sci,1998;45:10781081.4K.Shimizu,T.Ohmura,M.Watanabeetal.Developmentof3-Dde2tectorsystemforpositronCT.IEEETrans.Nucl.Sci,1987;35:717720.5J.S.Huber,W.W.Moses,S.E.Derenzoetal.Characterizationofa64ChannelPETdetectorusingphotodiodesforcrystalidentification.IEEETrans.Nucl.Sci,1997;44:119712016T.Kume,S.Matsuhashietal.Uptakeandtransportofpositron-emit2tingtracerinplants.Appl.Radiat.Isot.,1997;48(8):10351043.33IgG33333TSL230333147