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Table 2 The imaging features of the patients

From: Value of gadoxetic acid-enhanced MRI for microvascular invasion of small hepatocellular carcinoma: a retrospective study

Features

MVI-(n = 43)

MVI + (n = 19)

p Value

Non-enhancement

   

Mosaic architecture

   

 Yes

7 (16.3%)

1 (5.3%)

0.233

Intralesional fat

   

 Yes

16 (37.2%)

4 (21.1%)

0.210

Intratumor hemorrhage

   

 Yes

2 (4.7%)

3 (15.8%)

0.138

Iso/hyper-intense SI (T1WI)

   

 Yes

13 (30.2%)

3 (15.8%)

0.231

T2-DW mismatch

   

 Yes

1 (2.3%)

3 (15.8%)

0.047

Morphology (T2WI)

   

 Round shape

20 (46.5%)

10 (52.6%)

0.250

 Lobulated

20 (46.5%)

6 (31.6%)

 

 Irregular shape

3 (7.0%)

3 (15.8%)

 

Enhancement without HBP

   

AP hyper-enhancement

   

 Yes

32 (74.4%)

14 (73.7%)

0.951

Washout

   

 No enhancement

4 (9.3%)

1 (5.3%)

0.804

 Enhance and without Washout

7 (16.3%)

4 (21.1%)

 

 Enhance and washout

32 (74.4%)

14 (73.7))

 

Rim enhancement

   

 Yes

5 (11.6%)

9 (47.4%)

0.006

Capsule enhancement

   

 Enhance and complete

16 (37.2%)

5 (26.3%)

 < 0.001

 Enhance and Uncomplete

23 (53.5%)

2 (10.5%)

 

 No enhance

4 (9.3%)

12 (63.2%)

 

AP halo signs

   

 Yes

5 (11.6%)

9 (47.4%)

0.006

HBP

   

HBP high uptake

   

 Yes

17 (39.5%)

2 (10.5%)

0.022

HBP halo sign

   

 Yes

4 (9.3%)

8 (42.1%)

0.013

HBP morphology

   

 Round shape

29 (67.4%)

4 (21.1%)

 < 0.001

 Lobulated

11 (25.6%)

5 (26.3%)

 

 Irregular shape

3 (7.0%)

10 (52.7%)

 

HBP spicule sign

   

 Yes

3 (7.0%)

12 (63.2%)

 < 0.001

HBP brush sign

   

 Yes

4 (9.3%)

8 (42.1%)

0.003

  1. Except where indicated otherwise, data are number (%) of patients. Categoric imaging variables were analyzed by the chi-square test. SI, signal intensity; T2-DW, T2-weighted and diffusion-weighted imaging; T2WI, T2-weighted; AP, arterial phase; HBP, hepatobiliary phase