Table 3 Site-based detection rate of 18F-FDG PET/CT for peritoneal carcinomatosis
From: Metabolic active peritoneal sites affect tumor debulking in ovarian and peritoneal cancers
Right Subphrenic | Right Subhepatic | Gastric Serosa | Lesser Sac | Left Subphrenic | Left Perihepatic | Right Paracolic | Left Paracolic | POD | Bladder Flap | Mesentery | Omentum | Large Bowel Serosa | Small Bowel Serosa | Pelvis | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total Region | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 |
Histological positive | 3 | 2 | 1 | 0 | 1 | 0 | 2 | 2 | 6 | 6 | 5 | 6 | 9 | 1 | 14 |
Histological negative | 46 | 47 | 48 | 49 | 48 | 49 | 47 | 47 | 43 | 43 | 44 | 43 | 40 | 48 | 35 |
True positive on 18F-FDG PET/CT | 2 | 2 | 1 | 0 | 1 | 0 | 2 | 2 | 3 | 2 | 2 | 5 | 8 | 0 | 14 |
False negative on 18F-FDG PET/CT | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 3 | 1 | 1 | 1 | 0 |
False positive on 18F-FDG PET/CT | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 |
True negative on 18F-FDG PET/CT | 45 | 47 | 48 | 49 | 48 | 49 | 47 | 47 | 43 | 43 | 44 | 41 | 40 | 48 | 34 |
Sensitivity | 66.7% | 100.0% | 100.0% | – | 100.0% | – | 100.0% | 100.0% | 50.0% | 33.3% | 40.0% | 83.3% | 88.9% | 0.0% | 100.0% |
Specificity | 97.8% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 95.3% | 100.0% | 100.0% | 97.1% |
PPV | 66.7% | 100.0% | 100.0% | – | 100.0% | – | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 71.4% | 100.0% | – | 93.3% |
NPV | 97.8% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 93.5% | 91.5% | 93.6% | 97.6% | 97.6% | 98.0% | 100.0% |
Accuracy | 95.9% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 93.9% | 91.8% | 93.9% | 93.9% | 98.0% | 98.0% | 98.0% |