Comparisons of the imaging features of the lesion margins on SWI between abscesses and glioblastomas

FeaturesAbscessGBP ValueSENSPEAccuracyPPVNPV
Hypointense rim
        Inner + Same14
Dual rim sign<.00175.010090.610087.0
  • Note:—GB indicates glioblastoma; SEN, sensitivity; SPE, specificity; PPV, positive predictive value; NPV, negative predictive value.

  • a Imaging features selected for the calculation of SEN, SPE, PPV, and NPV.

  • b Relative to the contrast-enhancing rims.