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Table 3: 
Diagnostic ability of MR imaging criteria for ENS
MR Imaging FindingsDiagnostic Ability (%)
SensitivitySpecificityAccuracyPPVNPV
Flare sign (fsT2WI)7793888390
Shaggy margin (CET1WI)6599898686
Short-axis diameter
    15 mm9366756194
    16 mm8085847688
    17 mm7884817487
  • Note:—fsT2WI indicates fat-suppressed T2-weighted imaging; CET1WI, gadolinium-enhanced T1-weighted imaging; PPV, positive predictive value; NPV, negative predictive value.