Sensitivities According to T Stage and Histopathologic Results
| Result | O PET | C PET | PET/CT |
| T staging | |||
| T1a | 50% (1/2) | 50% (1/2) | 0% (0/2) |
| T1b | 67% (4/6) | 67% (4/6) | 71% (5/7) |
| T1c | 96% (22/23) | 92% (23/25) | 96% (26/27) |
| T2 | 96% (24/25) | 96% (25/26) | 96% (27/28) |
| T3 | 100% (8/8) | 100% (8/8) | 100% (8/8) |
| Histopathology | |||
| Invasive ductal carcinoma | 93% (55/59) | 94% (58/62) | 93% (62/67) |
| Grade I | 85% (11/13) | 86% (12/14) | 94% (14/15) |
| Grade II | 95% (35/37) | 95% (36/38) | 91% (37/41) |
| Grade III | 100% (9/9) | 100% (10/10) | 100% (11/11) |
| Invasive lobular carcinoma | 80% (4/5) | 60% (3/5) | 80% (4/5) |
| DCIS | 100% (3/3) | 67% (2/3) | 100% (4/4) |
Nine lesions were outside field of view in O PET and 6 lesions in C PET. These lesions were excluded from analysis.