Table 2.
Radiologic Features of Low- and High-Grade HCCs
| Overall (N=128) | Low-Grade (N=59) | High-Grade (N=69) | P | |
|---|---|---|---|---|
| Tumor size | 7.15±3.71 | 9.55±3.80 | 0.0007 | |
| Signal homogeneity | 0.5933 | |||
| Homogenous | 22 (17.2) | 9 (15.3) | 13 (18.8) | |
| Heterogeneous | 106 (82.8) | 50 (84.7) | 56 (81.2) | |
| Tumor margin | 0.0540 | |||
| Irregular | 37 (28.9) | 22 (37.3) | 15 (21.7) | |
| Smooth | 91 (71.1) | 37 (62.7) | 54 (78.3) | |
| Radiologic capsule | 0.4651 | |||
| Absent | 52 (40.6) | 26 (44.1) | 26 (37.7) | |
| Present | 76 (59.4) | 33 (55.9) | 43 (62.3) | |
| Peripheral enhancement | 0.3104 | |||
| Absent | 83 (64.8) | 41 (69.5) | 42 (60.9) | |
| Present | 45 (35.2) | 18 (30.5) | 27 (39.1) | |
| Satellite nodules | 0.1400 | |||
| Absent | 111 (86.7%) | 54 (91.5%) | 57 (82.6%) | |
| Present | 17 (13.3%) | 5 (8.5%) | 12 (17.4%) | |
| Fat deposition | 0.1809 | |||
| Absent | 92 (71.9) | 39 (66.1) | 53 (76.8) | |
| Present | 36 (28.1) | 20 (33.9) | 16 (23.2) | |
| Vascular invasion | 0.0021 | |||
| Absent | 84 (65.6%) | 47 (79.7%) | 37 (53.6%) | |
| Present | 44 (34.4%) | 12 (20.3%) | 32 (46.4%) | |
| Enhancement pattern | 0.2404 | |||
| Typical | 41 (32.0) | 22 (37.3) | 19 (27.5) | |
| Typical | 87 (68.0) | 37 (62.7) | 50 (72.5) |