TABLE 3

Summary Diagnostic Performance of 18F-FDG PET for Diagnosing Malignant vs. Benign Soft-Tissue Lesions

Diagnostic parameterCase series (subjects)Independent estimates (95% CI)*Typical SROC estimates (sensitivity, specificity)
SensitivitySpecificityUnweightedWeighted
Qualitative visualization13 (398)88% (81–93)73% (56–86)(90%, 73%)(92%, 73%)
 Primary lesions7 (231)95% (89–98)59% (38–78)(95%, 59%)(96%, 59%)
 Recurrent lesions5 (146)81% (69–89)91% (81–96)(74%, 91%)(81%, 91%)
SUV ≥ 2.010 (208)76% (64–85)79% (71–86)(92%, 79%)(87%, 92%)
 Primary lesions7 (157)79% (67–88)77% (67–85)(93%, 77%)(91%, 77%)
 Recurrent lesions3 (51)63% (44–78)91% (71–98)(70%, 91%)(72%, 91%)
SUV ≥ 3.010 (208)58% (48–67)87% (79–92)(90%, 87%)(70%, 87%)
 Primary lesions7 (157)60% (48–72)86% (77–92)(82%, 86%)(66%, 86%)
 Recurrent lesions3 (51)52% (35–69)91% (71–98)(62%, 91%)(62%, 91%)
MRG ≥ 6.0 μmol/100 g/min4 (66)70% (54–82)73% (53–87)(72%, 73%)(74%, 73%)
 Primary lesions3 (52)75% (57–87)72% (50–87)(76%, 72%)(76%, 72%)
 Recurrent lesions1 (14)58% (29–83)100% (16–100)NENE
  • * Independent random effects pooling of sensitivity and specificity across studies.

  • Pairs of sensitivity and specificity from SROC curves; specificity values are selected from random-effects estimates.

  • NE = not estimable.