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Table 4 Features of genomic alterations in colon polyps

From: Genomic amplification of chromosome 20q13.33 is the early biomarker for the development of sporadic colorectal carcinoma

Genomic alterations

Pathological diagnoses of colon polyps / (N)

AC/

HYP/

SA/

TA/

TVA/

VA/

32

17

16

80

40

13

APC mutation

 + Frameshift

10

1

0

19

13

5

 + Nonsense

5

1

2

15

8

1

 + Nonsense and Frameshift

1

0

0

0

0

0

 + Missense and Frameshift

0

0

0

1

1

0

 + Nonsense and Missense

0

0

0

2

0

0

Total

16

2

2

37

22

6

KRAS mutation

 + Codon 12

8

2

2

4

13

6

 + Codon 13

2

0

0

3

2

4

 + Both

1

0

0

0

0

0

Total

11

2

2

7

15

10

20q13.33 copy number

 + Loss

0

0

0

3

1

0

 + Gain

20

14

11

52

19

8

Total

20

14

11

55

20

8

MSI status

 + MSS

22

12

10

67

29

8

 + MSI-L

4

1

2

12

6

4

 + MSI-H

6

4

4

1

5

1

Total

32

17

16

80

40

13

  1. Abbreviations: AC Adenocarcinoma, HYP Hyperplastic polyp, SA Serrated adenoma, TA Tubular adenoma, TVA Tubulovillous adenoma, VA Villous adenoma