Table 2. Prevalence of Various Imaging Features of CT-Detected Indeterminate Arterial Enhancing Nodules according to Pathology and Size.
| Imaging Features | HCC | Benign Lesions | P | ||||
|---|---|---|---|---|---|---|---|
| < 1 cm (n = 8) | 1–2 cm (n = 60) | All(n = 68) | < 1 cm (n = 28) | 1–2 cm (n = 47) | All (n = 75) | ||
| Diffusion restriction | 6 (75.0) | 56 (93.3) | 62 (91.2) | 0 (0) | 3 (6.3) | 3 (4.0) | < 0.001 |
| Moderate high T2 signal | 6 (75.0) | 53 (88.3) | 59 (86.8) | 0 (0) | 5 (10.6) | 5 (6.7) | < 0.001 |
| Fat deposition | 2 (25.0) | 9 (15.0) | 11 (16.2) | 0 (0) | 1 (2.1) | 1 (1.3) | 0.001 |
| Non-enhancing capsule | 0 (0) | 2 (3.3) | 2 (2.9) | 0 (0) | 1 (2.1) | 1 (1.3) | 0.012 |
| Nodule in nodule appearance | 0 (0) | 1 (1.7) | 1 (1.5) | 0 (0) | 0 (0) | 0 (0) | 0.019 |
| Mosaic appearance | 0 (0) | 1 (1.7) | 1 (1.5) | 0 (0) | 0 (0) | 0 (0) | 0.019 |
| Blood product | 0 (0) | 1 (1.7) | 1 (1.5) | 0 (0) | 0 (0) | 0 (0) | 0.019 |
| Hepatobiliary phase hypointensity | 7 (87.5) | 56 (93.3) | 63 (92.6) | 0 (0) | 4 (8.5) | 4 (5.3) | < 0.001 |
Data represent number of nodules, while those in parentheses are percentages.