Table II.
Comparison of the clinical and molecular features between the proximal and distal tubular adenoma (TA) cases.
| Proximal TA (n=12) | Distal TA (n=10) | p-value | |
|---|---|---|---|
| Patient age (years) (mean ± SD) | 65.1±8.2 | 58.1±9.8 | 0.068 |
| Gender (male/female) | 8/4 | 5/5 | 0.666 |
| Size (mm) (mean ± SD) | 18.5±16.0 | 19.1±17.9 | 0.934 |
| BRAF (V600E) | 0.0% (0/12) | 0.0% (0/10) | - |
| KRAS (codon 12/13) | 36.4% (4/11) | 40.0% (4/10) | 0.864 |
| hMLH1 methylation | 0.0% (0/12) | 0.0% (0/10) | - |
| MSI | 0.0% (0/12) | 0.0% (0/10) | - |
| CIMP | 0.0% (0/12) | 0.0% (0/10) | - |
MSI, microsatellite instability; CIMP, CpG island methylator phenotype.