Table 4 The radiological characteristics of atypical HCC cases
| Â | No wash-out until delayed phase n = 22 | Huge infiltrative n = 18 | Hypovascular n = 40 | Intra-ductal growth n = 5 | Targetoid n = 9 | Typical n = 19 | p value |
|---|---|---|---|---|---|---|---|
Age (n= 111) | 0.349 | ||||||
 Less | 12 (54.5) | 9 (50) | 11 (28.9) | 2 (40) | 5 (55.6) | 7 (36.8) | |
 More | 10 (45.5) | 9 (50) | 27 (71.1) | 3 (60) | 4 (44.4) | 12 (63.2) | |
Patients at risk (n= 69) | 0.874 | ||||||
 Low risk | 5 (27.8) | 2 (20) | 3 (15.8) | 0 (0) | 1 (14.3) | 1 (10) | |
 High risk | 13 (72.7) | 8 (80) | 16 (84.2) | 4 (100) | 7 (85.7) | 9 (90) | |
Serum AFP (n= 76) | 0.047 | ||||||
 Low | 9 (64.3) | 13 (86.7) | 18 (64.3) | 1 (25.0) | 4 (66.7) | 9 (100) | |
 High | 5 (35.7) | 2 (13.3) | 10 (35.7) | 3 (75.0) | 2 (33.3) | 0 (0) | |
Tumor size (n= 98) | 0.001 | ||||||
 Less | 3 (15.8) | 0 (0) | 2 (5.9) | 0 (0) | 0 (0) | 13 (72.2) | |
 More | 16 (84.2) | 15 (100) | 32 (94.1) | 5 (100) | 7 (100) | 5 (27.8) | |
Focality (n= 113) | 0.037 | ||||||
 Solitary | 13 (59.1) | 12 (66.7) | 30 (75.0) | 3 (60.0) | 4 (44.4) | 6 (31.6) | |
 Multiple | 9 (40.9) | 6 (33.3) | 10 (25.0) | 2 (40.0) | 5 (55.6) | 13 (68.4) | |
Tumor grade (n= 113) | 0.079 | ||||||
 I | 2 (9.1) | 0 (0) | 0 (0) | 0 (0) | 1 (11.1) | 1 (5.3) | |
 II | 14 (63.6) | 14 (77.8) | 31 (77.5) | 3 (60.0) | 4 (44.4) | 15 (78.9) | |
 III | 6 (27.3) | 4 (22.2) | 8 (20.0) | 1 (20.0) | 4 (44.4) | 1 (5.3) | |
 Un | 0 (0) | 0 (0) | 1 (2.5) | 1 (20.0) | 0 (0) | 2 (10.5) | |
Histopathological pattern (n= 111) | 0.394 | ||||||
 NOS | 20 (90.9) | 12 (66.7) | 31 (77.5) | 1 (20.0) | 3 (33.3) | 2 (10.5) | |
 Clear | 2 (9.1) | 4 (22.2) | 7 (17.5) | 2 (80.0) | 5 (55.6) | 16 (84.2) | |
 Scirrhous | 0 (0) | 2 (11.1) | 2 (5.0) | 0 (0) | 1 (11.1) | 0 (0) | |
 Steatohepatitis | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 1 (5.3) | |
Liver background (n= 110) | 0.223 | ||||||
 Non-cirrhosis | 7 (33.3) | 2 (11.1) | 12 (30.8) | 3 (60.0) | 3 (37.5) | 8 (42.1) | |
 Cirrhosis | 14 (66.7) | 16 (88.9) | 27 (69.2) | 2 (40.0) | 5 (62.5) | 11 (57.9) | |