Classification According to Initial Diagnosis Criteria, 18F-FDG PET/CT Results, and Final Diagnosis Criteria
| Classification | Initial diagnosis criteria (n) | 18F-FDG PET/CT results (n) | Final diagnosis criteria (n) |
| PV (n = 30) | |||
| Definite | 3 (10) | 13 (43)* | 12 (40) |
| Possible | 27 (90) | 0 (0) | 1 (3) |
| Rejected | 0 (0) | 17 (57)† | 17 (57) |
| NV (n = 21) | |||
| Definite | 4 (19) | 0 (0) | 6 (29) |
| Possible | 17 (81) | 0 (0) | 1 (5) |
| Rejected | 0 (0) | 21 (100)‡ | 14 (66) |
| ICED (n = 29) | |||
| Definite | 3 (10) | 13 (45) | 13 (45) |
| Possible | 26 (90) | 0 (0) | 0 (0) |
| Rejected | 0 (0) | 16 (55) | 16 (55) |
| Total (n = 80) | |||
| Definite | 10 (12) | 26 (32) | 31 (39) |
| Possible | 70 (88) | 0 (0) | 2 (5) |
| Rejected | 0 (0) | 54 (68) | 47 (56) |