Table 1.
Patient and tumor characteristics
| No. | Sex | Age | Primary disease | Presentation | Histology | Location | Past therapy | Size (cm) | Interval between studies (days) | Tumor SUVmax | Tumor TNR | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 11C-Met | 18F-BPA | 11C-Met | 18F-BPA | ||||||||||
| 1 | M | 20 | Facial RBD | NT | RBD | orbit | Noa | 3.2 × 3.0 to 4.5 × 5.0b | 123 | 3.7 | 3.6 | 3.8 | 3.9 |
| 2 | M | 20 | Facial RBD | LR | RBD | MS | PO/CRT | 2.5 × 1.5 | 5 | 1.5 | 1.6 | 1.1 | 1.3 |
| 3 | M | 27 | Lingual | LR | SCC | Lingual | PO/CRT | 3.2 × 4.1 | 16 | 6.6 | 4.2 | 4.6 | 3.1 |
| 4 | M | 50 | EAC cancer | LR | SCC | EAC | PO /CRT | 3.3 × 4.4 | 2 | 4.4 | 4.1 | 3.1 | 2.9 |
| 5 | M | 47 | Parotid gland ACC | LR | ACC | Parotid gland | PO /CRT | 2.0 × 2.3 | 2 | 5.6 | 5.6 | 5.1 | 2.7 |
| 6 | M | 47 | Nasal melanoma | NT | Melanoma | Nasal cavity | No | 3.1 × 3.2 | 4 | 5.8 | 4.7 | 4.1 | 3.9 |
| 7 | F | 66 | Lacrimal ACC | M | ACC | MS | PO /CRT | 3.3 × 2.2 | 6 | 4.7 | 3.6 | 2 | 2.2 |
| Average | 5 (median) |
4.6 ± 1.7 (mean) |
3.9 ± 1.2 (mean) |
3.4 ± 1.4 (mean) |
2.9 ± 0.9 (mean) |
||||||||
RBD rhabdomyosarcoma, EAC external auditory canal, ACC adenoid cystic carcinoma, NT newly diagnosed tumor, LR local recurrence, M Metastasis, SCC squamous cell carcinoma, MS maxillary sinus, PO postoperative, CRT chemoradiation therapy
aPalliative surgery was performed in the interval between PET scans. bTumor size increased in the interval between PET scans