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Table 4 Relation of preoperative imaging and histopathological nodal status

From: Relevance of suspicious lymph nodes in preoperative imaging for resectability, recurrence and survival of intrahepatic cholangiocarcinoma

All lymph node stations

Suspicious nodes

n

N1

N0

N1/N0a

 

No

76 (62.8%)

7 (17.9%)

69 (84.1%)

0.10

p < 0.001

< 1 cm

17 (14%)

9 (23.1%)

8 (9.8%)

1.13

 

1–1.5 cm

22 (18.2%)

18 (46.2%)

4 (4.9%)

4.5

 

> 1.5 cm

6 (5%)

5 (12.8%)

1 (1.2%)

5

 

No suspicious nodes

76 (62.8%)

7 (17.9%)

69 (84.1%)

0.10

p < 0.001

Suspicious nodes (any size)

45 (37.2%)

32 (82.1%)

13 (15.9%)

2.5

 

Hepatoduodenal ligament

Suspicious nodes

n

N1

N0

N1/N0a

 

No

79 (65.3%)

9 (23.1%)

70 (85.3%)

0.13

p < 0.001

< 1 cm

17 (14%)

9 (23.1%)

8 (9.8%)

1.13

 

1–1.5 cm

21 (17.4%)

17 (43.5%)

4 (4.9%)

4.25

 

> 1.5 cm

4 (3.3%)

4 (10.3%)

–

4

 

Retropancreatic

Suspicious nodes

n

N1

N0

N1/N0a

 

No

110 (90.9%)

31 (79.5%)

79 (86.3%)

0.39

p = 0.011

< 1 cm

4 (3.3%)

3 (7.7%)

1 (1.2%)

3

 

1–1.5 cm

7 (5.8%)

5 (12.8%)

2 (2.4%)

2.5

 

> 1.5 cm

–

–

–

X

 

Lower curvature

Suspicious nodes

n

N1

N0

N1/N0a

 

No

105 (86.8%)

26 (66.6%)

79 (86.3%)

0.33

p = 0.001

< 1 cm

8 (6.6%)

6 (15.4%)

2 (2.4%)

3

 

1–1.5 cm

7 (5.8%)

6 (15.4%)

1 (1.2%)

6

 

> 1.5 cm

1 (0.8%)

1 (2.6%)

–

X

 

Interaortocaval

Suspicious nodes

n

N1

N0

N1/N0a

 

No

112 (92.6%)

34 (87.1%)

78 (95.1%)

0.44

p = 0.540

< 1 cm

7 (5.8%)

4 (10.3%)

3 (3.7%)

1.33

 

1–1.5 cm

1 (0.8%)

1 (2.6%)

–

X

 

> 1.5 cm

1 (0.8%)

–

1 (1.2%)

X

 
  1. NX patients were excluded (n = 16); a ratio between positive and negative nodal status (X if ratio is mathematically not possible)
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