Research Article
Characterization of Focal Liver Lesions Indistinctive on B Mode Ultrasound: Benefits of Contrast-Enhanced Ultrasound
Table 5
Contrast enhancement features of 70 indistinctive lesions BMUS.
| | Characteristic | Primary HCCs | Recurrence HCCs | Metastasis | | | |
| | Arterial phase enhancement, (%) | | | | | Hyperenhanced | 26 (74.2%) | 16 (80%) | 3 (20%) | | Isoenhanced | 9 (25.8%) | 4 (20%) | 12 (80%) | | Type of arterial phase enhancement, (%) | | | | | Diffuse homogeneous enhancement | 25 (71.4%) | 12 (60%) | 1 (6.7%) | | Diffuse inhomogeneous enhancement | 10 (28.6%) | 7 (35%) | 2 (13.3%) | | Rim-like hyperenhancement | 0 | 1 (5%) | 12 (80%) | | Portal venous phase enhancement, (%) | | | | | Isoenhanced | 20 (57.1%) | 15 (75%) | 4 (26.7%) | | Hypoenhanced | 15 (42.9%) | 5 (25%) | 11 (73.3%) | | Late phase enhancement, (%) | | | | | Isoenhanced | 2 (5.7%) | 12 (60%) | 1 (6.7%) | | Hypoenhanced | 33 (94.2%) | 8 (40%) | 14 (93.3%) |
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BMUS: B mode ultrasound; HCC, hepatocellular carcinoma; CEUS: contrast enhanced ultrasound.
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