2、luesofXrayFilmsCTandMRIonAvascularNecrosisofFemoral Head Abstract:ObjectiveTostudytheimagingperformanceoftheconventionalXrayfilms,CTandMRIinavascularnecrosisoffemoralhead(ANFH)andthEirdiagnosticvalueonANFH.MethodsTotally45cases28casesale,averageageonemonthtonieenyears.Allcasesedinthethre