Image findings | PHA | EHE | MHP | IHE |
---|---|---|---|---|
Liver involvement | ||||
Single | 2 (18%) | 0 | 1 (33%) | 8 (62%) |
Multiple | 9 (82%) | 15 (100%) | 2 (67%) | 5 (38%) |
Number of segments involved | ||||
1 | 3 (27%) | 1 (7%) | 0 | 7 (54%) |
2 ~ 4 | 7 (64%) | 5 (33%) | 2 (67%) | 4 (31%) |
> 5 | 1 (9%) | 9 (60%) | 1 (33%) | 2 (15%) |
Tumor shape | ||||
Round | 2 (18%) | 5 (33%) | 2 (67%) | 6 (46%) |
Irregular | 9 (82%) | 10 (67%) | 1 (33%) | 7 (54%) |
Margin | ||||
Well-defined | 0 | 0 | 0 | 6 (46%) |
Ill-defined | 11 (100%) | 15 (100%) | 3 (100%) | 7 (54%) |
Capsule | ||||
Present | 2 (18%) | 0 | 0 | 0 |
Absent | 9 (82%) | 15 (100%) | 3 (100%) | 13 (100%) |
Density | ||||
Hypo- | 11 (100%) | 12 (80%) | 2 (100%) | 13 (100%) |
Iso- | 0 | 3 (20%) | 0 | 0 |
Hyper- | 0 | 0 | 0 | 0 |
T1WI | ||||
Hypo- | 3 (75%) | 4 (100%) | 2 (100%) | 1 (100%) |
Iso- | 0 | 0 | 0 | 0 |
Hyper- | 1 (25%) | 0 | 0 | 0 |
Fat-suppressed T2WI | ||||
Hypo- | 0 | 0 | 0 | 0 |
Iso- | 0 | 0 | 0 | 0 |
Hyper- | 4 (100%) | 4 (100%) | 2 (100%) | 1 (100%) |
Diffused weighted imaging (DWI) | ||||
Hypo- | 1 (25%) | 0 | 0 | 0 |
Iso- | 0 | 0 | 0 | 0 |
Hyper- | 3 (75%) | 4 (100%) | 2 (100%) | 1 (100%) |
Cystic/necrosis | ||||
Present | 5 (45%) | 6 (40%) | 3 (100%) | 8 (62%) |
Absent | 6 (55%) | 9 (60%) | 0 | 5 (38%) |
Calcification | ||||
Present | 3 (27%) | 2 (13%) | 0 | 5 (38%) |
Absent | 8 (73%) | 13 (87%) | 3 (100%) | 8 (62%) |
Hemorrhage | ||||
Present | 1 (9%) | 0 | 0 | 0 |
Absent | 10 (91%) | 15 (100%) | 3 (100%) | 13 (100%) |
Morphological type | ||||
Nodules type (d < 5 cm) | 2 (18%) | 0 | 2 (67%) | 5 (38%) |
Mass type (d ≥ 5 cm) | 7 (65%) | 0 | 1 (33%) | 3 (24%) |
Diffused micronodules type | 2 (18%) | 15 (100%) | 0 | 5 (38%) |
Enhanced pattern | ||||
“Slow in-slow out” centripetal enhancement | 7 (64%) | 5 (33%) | 0 | 0 |
“Fast in-slow out” centripetal enhancement | 4 (36%) | 10 (67%) | 3 (100%) | 13 (100%) |
Enhanced degree | ||||
Hyper-vascular | 8 (73%) | 9 (60%) | 2 (67%) | 13 (100%) |
Hypo-vascular | 3 (27%) | 6 (40%) | 1 (33%) | 0 |
Metastases | ||||
Lung | 2 (18%) | 7 (47%) | 1 (33%) | 0 |
Spleen | 1 (9%) | 0 | 0 | 0 |
Bone | 1 (9%) | 0 | 1 (33%) | 0 |
Retroperitoneal space | 3 (27%) | 1 (7%) | 0 | 0 |
Intratumoral blood vessel | 4 (37%) | 10 (67%) | 0 | 5 (38%) |
Typical sign | ||||
“Psuedocapsule sign” | 0 | 4 (27%) | 0 | 0 |
“Halo sign” | 2 (18%) | 15 (100%) | 3 (100%) | 0 |
“Lollipop sign” | 0 | 2 (13%) | 0 | 0 |
“Capsule retraction sign” | 0 | 2 (13%) | 0 | 0 |