Imaging Results from This Study and Results from Other Published Data
| Category | Subcategory | This study | Lenoir et al. (13) | Ahmadzadehfar et al. (15) | Hamami et al. (16) |
| Hepatic distributions | Number of SPECT/CT | 174 | 139 | 90 | 68 |
| NMI intrahepatic lobe distributions due to PVT (overall NMI) | 62.5% (2.9%) | 31% (7%) | NR | NR (4%) | |
| Angiogram intrahepatic lobe distributions due to PVT (overall and angiograms) | 57.1% (2.3%) | NR | NR | NR | |
| Prior radiofrequency ablation or embolizations | 13% | NR | NR | NR | |
| Distribution to the caudate lobe from right hepatic artery administrations | 37% (19/51) | NR | NR | NR | |
| Extrahepatic distributions | Distributions from hepaticoenteric arterial communications as demonstrated on SPECT/CT | 5% | 9% | 38% | 24% |
| Distributions from hepaticoenteric arterial communications as demonstrated on angiograms, DSA or CBCT with contrast | 16% | NR | 34% | 28% | |
| Gallbladder visualization | 49% | 12% | 12% | 9% | |
| Normal distribution variant | Images indicating free pertechnetate or delabeled MAA | 38% | 22% | 4% | NR |
| Thyroid nodule, renal poles, reconstruction/metallic artifacts | 3% | NR | NR | NR |
DSA = digital subtraction angiography; NR = not reported.