Polyp type | Hyperplastic polyps (n=14) | Sessile/traditional serrated adenomas (n=47) | Conventional adenomas (n=29) | |||||
---|---|---|---|---|---|---|---|---|
No. | Per cent | No. | Per cent | p Value | No. | Per cent | p Value* | |
RNF43 mutation | 0 | 0.0 | 16 | 34.0 | 0.013† | 1 | 3.4 | 0.002 |
BRAF V600E | 8 | 57.1 | 31 | 66.0 | 0.547 | 0 | 0.0 | <0.001 |
KRAS codon 12/13 | 1 | 7.1 | 11 | 23.4 | 0.264† | 8 | 27.6 | 0.683 |
RSPO fusions | 0 | 0.0 | 7 | 17.1 | 0.176 | 1 | 3.4 | 0.128† |
CIMP | 4 | 12.5 | 28 | 60.9‡ | 0.034 |
*p Value compared with sessile/traditional serrated adenoma.
†Fisher's exact test.
‡Analysis failed in one case.
CIMP, CpG island methylator phenotype.