Table 3 Clinicopathological features of PTMC cases with respect to BRAF and NRAS mutations.

From: BRAF and NRAS Mutations in Papillary Thyroid Carcinoma and Concordance in BRAF Mutations Between Primary and Corresponding Lymph Node Metastases

Variables

BRAF mutation n (%) n = 54

No BRAF mutation n (%) n = 21

P-value

NRAS mutation n (%) n = 6

No NRAS mutation n (%) n = 49

P-value

Age (years)

    

0.42

    

0.88

  Mean ± SD

46.6 ± 11.8

47.3 ± 14.9

 

45.0 ± 17.3

47.1 ± 11.6

 

Gender

    

0.330

    

0.298

  Female

43

(79.6)

19

(90.5)

 

4

(66.7)

41

(83.7)

 

  Male

11

(20.4)

2

(9.5)

 

2

(33.3)

8

(16.3)

 

Stage

    

1.000

    

0.378

  I

50

(92.6)

20

(95.2)

 

5

(83.3)

46

(93.9)

 

  II

0

(0.0)

0

(0.0)

 

0

(0.0)

0

(0.0)

 

  III

3

(5.6)

1

(4.8)

 

1

(16.7)

2

(4.1)

 

  IV

1

(1.9)

0

(0.0)

 

0

(0.0)

1

(2.0)

 

  Not available

0

(0.0)

0

(0.0)

 

0

(0.0)

0

(0.0)

 

Focality

    

0.428

    

0.204

  Unifocal

32

(59.3)

15

(71.4)

 

5

(83.3)

25

(51.0)

 

  Multifocal

22

(40.7)

6

(28.6)

 

1

(16.7)

24

(49.0)

 

  Not available

0

(0.0)

0

(0.0)

 

0

(0.0)

0

(0.0)

 

Extrathyroidal extension

    

1.000

    

0.619

Present

11

(20.4)

4

(19.0)

 

2

(33.3)

11

(22.4)

 

Absent

43

(79.6)

17

(81.0)

 

4

(66.7)

38

(77.6)

 

Not available

0

(0.0)

0

(0.0)

 

0

(0.0)

0

(0.0)

 

Lymphovascular invasion

    

0.850

    

0.339

  Present

2

(3.7)

0

(0.0)

 

0

(0.0)

1

(2.0)

 

  Absent

46

(85.2)

18

(85.7)

 

4

(66.7)

41

(83.7)

 

  Not available

6

(11.1)

3

(14.3)

 

2

(33.3)

7

(14.3)

 

Lymphnodes status

    

0.196

    

1.000

  Positive

9

(16.7)

2

(9.5)

 

1

(16.7)

7

(14.3)

 

  Negative

14

(25.9)

2

(9.5)

 

1

(16.7)

13

(26.5)

 

  Not available

31

(57.4)

17

(81.0)

 

4

(66.7)

29

(59.2)

 
  1. *Significant difference.