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1、THEAPPLIEDRESEARCHOFDIRECTDIGITALRADIoGRAPHY(DR)INIMAGINGDIAGNOSISOFINDUSTRIALSKELETALFLUOROSISABSTRACTObjective:UsingdirectdigitalX—rayphotography(directdigitalradiography,DR)oftheimageedgescreeningforindustrialskeletalfluorosis,summarizedindustrialskeletalfluorosis,especiallyearlycasesinDRimagech
2、aracteristics,industrialskeletalfluorosisinordertoregulatetheinspectionmethodandcriteriafordiagnosisofDRunderprovidesthebasis.MaterialsandMethod:Choosetouchthefuorineisengagedintheworkmorethan5years,urinaryfluorinecheckabovebaotounormalurinaryfluoridelevelofobservationobjectisatotalof314people.Touc
3、hthefluorineaccordingtotimelengthisdividedintoA,B,Cthreegroups,thelengthof5to10yearsofobservationobjectsetasgroupA,107;Thelengthof10-15yearsofobservationobjectsetasgroupB,125;Lengthofservicemorethan15yearsofobservationobjectsetasgroupC,82.Foreverymanisapelvis,rightfootradiusandtibiofibulapositivesi
4、de,thesideoflumbarisDRphotography.Allimagesarefromthreeormorepersonswithrelevantprofessionalknowledgeofhighqualificationdoctordiagnosisforcollectiveconfirmed,followthestandardsofcountryXraydiagnosisofskeletalfluorosis(WS192-1999)anddiagnosticcriteriaofindustrialfluorosis(GBZ5-2002)oftheimagedataare
5、summarizedandtheinstallment,andwiththenationalindustrialfluorinediseaseimagingdiagnosticcriteria(GBZ5-2002)werecompared.Results:All314subjects,diagnosedwithindustrialskeletalfuorosisfor249people,accountingfor79.30%ofthetotalobservedobject.Including107peopleinthegroupA,inaccordancewithskeletalfluoro
6、sisIperiod(early)imagechanger34people,inlinewiththephaseIIimagechanger8people,theremaining65arenegative,positiverate39.25%;GroupB,125,inlinewithskeletalfluorosisIperiod(early)imagechangeof71people,therestofthe54percapitainstageIIimagechanges,positiverate100%;GroupC,82,inlinewithskeletalfluorosisIst
7、ageIimagethechangeof61people,therest21percapitainstageIIIimagechanges,positiveratewas100%.MainshowisinstageIofskeletalfluorosisinDRimage:eNargememoftrabecularboneisaddedthick,showthe”sand”orbonespotor”gauze