Table 4.
Washout characteristics.
| No. of Washout and Its Ratio According to Time | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Diagnosis | No. of Target Lesions | 1 min or Early Washout | 2 min | 3 min | 4 min | 5 min | 6 min | 7 min | 8 min | 9 min | 10 min or Kupffer Phase |
| Qualitative analysis | |||||||||||
| HCCs | 52 | 9 (17.3) | 20 (38.5) | 29 (55.8) | 32 (61.5) | 38 (73.1) | 40 (76.9) | 42 (80.8) | 44 (84.6) | 45 (86.5) | 47 (90.4) |
| Non-HCC malignancies | 36 | 33 (91.7) | 34 (94.4) | 35 (97.2) | 36 (100) | 36 (100) | 36 (100) | 36 (100) | 36 (100) | 36 (100) | 36 (100) |
| Benign lesions | 14 | 0 (0) | 3 (21.4) | 3 (21.4) | 3 (21.4) | 2 (14.3) | 3 (21.4) | 3 (21.4) | 2 (14.3) | 3 (21.4) | 2 (14.3) |
Note: Values are numbers, with percentages in parentheses. HCC = hepatocellular carcinoma.