TABLE 5

Diagnostic Value of 18F-FDG PET and 18F-FDG PET/CT for Staging and Restaging of Pediatric Patients with Malignant Sarcomas

StudyNo. of disease casesPatients (n)TimingIncluded lesionsSensitivitySpecificityPPVNPV
Völker (78)23 ESFT, 11 OS, 12 RMS46Initial stagingNodal lesions88%97%88%97%
Bone lesions100%91%83%100%
Lung lesions56%100%100%90%
Tateishi (77)20 ES, 18 OS, 5 SynS, 3 RMS, 1 FS, 1 EpS, 1 PleoMFH, 1 AS50Initial stagingNodal lesions85.71%97.7%85.7%97.7%
Distant metastases70.8%100%100%78.8%
Federico (71)30 RMS30Initial stagingNodal lesions93.75%100%100%95.24%
Eugene (79)23 RMS23Initial stagingNodal lesions100%100%100%100%
Distant metastases100%91%60%100%
Arush (95)9 ES, 3 OS, 7 RMS19Follow-upLocal recurrence100%92%88%100%
Distant metastasis77%83%91%63%
London (3)20 ES, 21 OS41AllAll lesions81.8%97.5%79.4%97.8%
Mody (133)16 ESFT, 9 RMS25AllAll lesions86%80%89%67%
Walter (81)12 ES, 9 OS, 8 STS29AllBone lesions100%100%100%100%
  • PPV = positive predictive value; NPV = negative predictive value; ESFT = Ewing sarcoma family tumors; OS = osteosarcoma; RMS = rhabdomyosarcoma; ES = Ewing sarcoma; SynS = synovial sarcoma; FS = fibrosarcoma; EpS = epithelioid sarcoma; PleoMFH = pleomorphic malign fibrous histiocytoma; AS = angiosarcoma; STS = soft-tissue sarcoma.