Table 1.
Clinical characteristics of the study population
| Characteristic | No. (%) (n=51) |
|---|---|
| Age, mean±SD (range, yr) | 61.5±11.0 (32-78) |
| Sex, male:female | 44:7 |
| Cause of liver cirrhosis | |
| Hepatitis B virus infection | 38 (74.6) |
| Alcoholism | 9 (17.6) |
| Hepatitis C virus infection | 2 (3.9) |
| Unknown | 2 (3.9) |
| Time interval between CT/MRI and US, mean±SD (range, day) | 18.0 (0-84) |
| Recurrent HCC | |
| No | 29 (56.9) |
| Yes | 22 (43.1) |
| Treatment for HCC after US examination | |
| TACE | 23 (45.1) |
| RFA | 21 (41.2) |
| TARE | 5 (9.8) |
| Surgery | 2 (3.9) |
| Tumor size (cm) | 3.7±3.2 (0.9-15.0) |
| Tumor location | |
| Left lateral | 9 (17.7) |
| Left medial | 3 (5.9) |
| Right lateral | 19 (37.2) |
| Right medial | 20 (39.2) |
| Tumor depth (cm) | 3.5±1.4 (1.3-7.5) |
SD, standard deviation; CT, computed tomography; MRI, magnetic resonance imaging; US, ultrasonography; HCC, hepatocellular carcinoma; TACE, transarterial chemoembolization; RFA, radiofrequency ablation; TARE, transarterial radioembolization.