Table 3 Radiological features and immunohistochemistry
|  | Non-ER (n = 16) | ER (n = 31) | P value |
|---|---|---|---|
Shape, No. (%) | Â | Â | 0.063 |
 Globular | 4 (25.0) | 1 (3.2) |  |
 Lobulate | 3 (18.8) | 11 (35.5) |  |
 Irregular | 9 (56.2) | 19 (61.3) |  |
Lesion contour, No. (%) | Â | Â | 0.770 |
 Well defined | 11 (68.8) | 24 (77.4) |  |
 Infiltrative | 5 (31.2) | 7 (22.6) |  |
Biliary dilation, No. (%) | Â | Â | 0.609 |
 Present | 7 (43.8) | 16 (51.6) |  |
 Absent | 9 (56.2) | 15 (48.4) |  |
Capsular retraction, No. (%) | Â | Â | 0.465 |
 Present | 4 (25.0) | 11 (35.5) |  |
 Absent | 12 (75.0) | 20 (64.5) |  |
DWI intensity, No. (%) | Â | Â | 0.744 |
 Hyperintense | 10 (62.5) | 17 (54.8) |  |
 Target appearance | 4 (25.0) | 11 (35.5) |  |
 Slightly hyperintense | 2 (12.5) | 3 (9.7) |  |
Enhancement pattern, No. (%) | Â | Â | 0.001* |
 Gradual enhancement | 7 (43.8) | 26 (83.9) |  |
 Persistent enhancement | 3 (18.8) | 5 (16.1) |  |
 Wash in and wash out | 5 (31.2) | 0 (0) |  |
 No or minimal enhancement | 1 (6.2) | 0 (0) |  |
EGFR, No. (%) | Â | Â | 0.859 |
 Negative | 3 (18.8) | 8 (25.8) |  |
 Positive | 13 (81.2) | 23 (74.2) |  |
P53, No. (%) | Â | Â | 0.555 |
 Negative | 10 (62.5) | 22 (71.0) |  |
 Positive | 6 (37.5) | 9 (29.0) |  |
VEGFR, No. (%) | Â | Â | 0.034* |
 Negative | 8 (50.0) | 5 (16.1) |  |
 Positive | 8 (50.0) | 26 (83.9) |  |
Ki67, No. (%) | Â | Â | 0.313 |
 Negative | 7 (43.8) | 9 (29.0) |  |
 Positive | 9 (56.2) | 22 (71.0) |  |