Table 7. Comparison of tumour detectability at the post-vascular phase of contrast-enhanced ultrasound according to underlying liver disease, tumour depth, size and vascularity.
| Post-vascular phase of CEUS |
||||||
| Iso | Hypo | p-value | ||||
| Underlying | Chronic hepatitis | 3 | (18%) | 14 | (82%) | NS |
| liver disease | Cirrhosis | 13 | (17%) | 62 | (83%) | |
| Pugh A | 6 | (12%) | 43 | (88%) | ||
| Hepatitis B | 7 | (29%) | 17 | (71%) | ||
| Hepatitis C | 0 | 2 | (100%) | |||
| Tumour depth | ≤9 cm | 13 | (15%) | 71 | (85%) | 0.12 |
| >9 cm | 3 | (37%) | 5 | (63%) | ||
| Tumour size | ≤1 cm | 5 | (25%) | 15 | (75%) | 0.00076 |
| 1–2 cm | 10 | (24%) | 31 | (76%) | ||
| >2 cm | 1 | (3%) | 30 | (97%) | ||
| Vascular phase of CEUS | Hyper | 6 | (8%) | 67 | (92%) | 0.00005 |
| Iso | 10 | (53%) | 9 | (47%) | ||
Hypo, hypo-enhancement; hyper, hyperenhancement; iso, iso-enhancement; CEUS, contrast-enhanced ultrasound; NS, not significant.