Table 1 Results of primary staging in the studied 7 patients with primary malignant bone tumors
From: Diagnostic performance of PET/CT in primary malignant bone tumors
Type of tumor | PET/CT findings | TNM staging | Group staging |
|---|---|---|---|
Left rib chondrosarcoma | Metabolically active left chest wall mass > 8 cm (SUVmax ~ 10.4) with pulmonary metastases and hilar LNs metastases (SUVmax ~ 12 and 7.2 respectively) | T2 N1 M1 | IVB |
Right rib chondrosarcoma | Metabolically active right 6th rib expansile lesion (SUVmax ~ 5.6) | T1N0 M0 | IA |
Right distal humerus chondrosarcoma | Metabolically active distal humerus mass > 8 cm (SUVmax ~ 12.2) with axillary LNs, mediastinal LNs and lung metastases (SUVmax ~ up to 4.9, 6.4, and 2.7 respectively) | T2 N1 M1a | IVB |
Right iliac chondrosarcoma | Metabolically active tumor confined to right iliac bone > 8 cm with extraosseous soft tissue component (SUVmax ~ 11.8) | T2 N0 M0 | IIB |
Right mandible fibrosarcoma | Metabolically active tumor confined to right mandible < 8 cm (SUVmax ~ 6.8) | T1 N0 M0 | IA |
Right humerus Ewing sarcoma | Metabolically active mottled osseous texture of right humeral head and neck > 8 cm (SUVmax ~ 7.3) with lung metastases (SUVmax ~ up to 3) | T2N0M1a | IVA |
Left iliac chondrosarcoma | Metabolically-active left iliac lesion > 8 cm (SUVmax ~ 8.3) with multiple lytic bone metastases and lung metastases (SUVmax ~ up to 12.4 and 6.8 respectively) | T2N0M1b | IVB |