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Objective:To assessthetherapeuticeffectsof radiofrequencyablation(RFA)inthetreatmentof patientswith unresectablemalignantlung tumors.Methods:Twentypatientswithprimaryor metastaticmalignantlungtumorsreceived RFAtreatment,andimaginganalysiswithCT,X-rayandpositionemissiontomograghy(PET)was performed1weekbe-foreand1to2weeksaftertreatment.Results and Conclusion:Postoperativefeveroccurredin6patientsandpneuma-tothoraxduringtheRFAprocedureswasfoundin5patients.PETdemonstratedthattumorssmallerthan3.5cm indiame-ter,whichis thegeneralcoverageof theRFAsystemwe adopted,dissipatedafterRFA,andtheproportionof the largertu-morswithinRFAcoveragewasdestroyed,whiletherestoutsideremainedintact.PETis currentlythemostreliabletech-niqueto observetheshort-termtherapeuticeffectsof RFAon tumorsincomparisonwithotherimagingapproaches.
Objective: To assessthetherapeuticeffectsof radiofrequencyablation (RFA) inthetreatmentof patientswith unresectablemalignantlung tumors.Methods: Twentypatientswithprimaryor metastaticmalignantlungtumorsreceived RFAtreatment, andimaginganalysiswithCT, X-rayandpositionemissiontomograghy (PET) was performed1weekbe-foreand1to2weeksaftertreatment.Results and Conclusion: Postoperativefeveroccurredin6patientsandpneuma-tothoraxduringtheRFAprocedureswasfoundin5patients.PETdemonstratedthattumorssmallerthan3.5cm indiame-ter, whichis thegeneralcoverageof theRFAsystemwe Adopted,dissipatedafterRFA,andtheproportionofthelargetu-morswithinRFAcoveragewasdestroyed,whiletherestoutremainedintact.PETis currentlythemostreliabletech-niqueto observetheshort-termtherapeuticeffectsof RFAon tumorsincomparisonwithotherimagingapproaches.