Table 3.
Enhancement patterns of HCC and ICC with different size
HCC (n=546) |
ICC (n=273) |
|||||||
---|---|---|---|---|---|---|---|---|
<2 cm (n=33) | 2–5 cm (n=165) | >5 cm (n=348) | p | <2 cm (n=3) | 2–5 cm (n=75) | >5 cm (n=195) | p | |
Arterial phase | ||||||||
Enhancement level | 0.416 | 0.641 | ||||||
Hyperenhancement | 32 (97.0) | 157 (95.2) | 336 (96.6) | 3 (100) 61 (81.3) | 170 (87.2) | |||
Isoenhancement | 0 (0) | 4 (2.4) | 9 (2.6) | 0 (0) | 4 (5.3) | 8 (4.1) | ||
Hypoenhancement | 1 (3.0) | 4 (2.4) | 3 (0.9) | 0 (0) | 10 (13.3) | 17 (8.7) | ||
Enhancement distribution | 0.000 | 0.000 | ||||||
Homogeneous | 29 (87.9) | 121 (73.3) | 103 (29.6) | 3 (100) 17 (22.7) | 7 (3.6) | |||
Heterogeneous | 3 (9.1) | 42 (25.5) | 237 (68.1) | 0 (0) | 17 (22.7) | 45 (23.1) | ||
Peripheral rim-like | 1 (3.0) | 2 (1.2) | 8 (2.3) | 0 (0) | 41 (54.6) | 143 (73.3) | ||
Portal phase | 0.058 | NA | ||||||
Hyperenhancement | 0 (0) | 5 (3.0) | 5 (1.4) | 0 (0) | 0 (0) | 0 (0) | ||
Isoenhancement | 8 (24.2) | 36 (21.8) | 48 (13.8) | 0 (0) | 0 (0) | 0 (0) | ||
Hypoenhancement | 25 (75.8) | 124 (75.2) | 295 (84.8) | 3 (100) | 75 (100) | 195 (100) | ||
Delayed phase | 0.000 | NA | ||||||
Hyperenhancement | 0 (0) | 2 (1.2) | 1 (0.3) | 0 (0) | 0 (0) | 0 (0) | ||
Isoenhancement | 5 (15.2) | 12 (7.3) | 4 (1.1) | 0 (0) | 0 (0) | 0 (0) | ||
Hypoenhancement | 28 (84.8) | 151 (91.5) | 343 (98.6) | 3 (100) | 75 (100) | 195 (100) |
Unless otherwise indicated, data are number of nodules, with percentages in parentheses.