Table 1. Clinicopathological features of the BRAF-mutant lesions in this study.
| Patients (n=94) | |
|---|---|
| Age (years, mean ± SD) | 62.9 ± 11.3 |
| Gender | |
| Female | 36 (38.3%) |
| Male | 58 (61.7%) |
| Lesions (n=106) | |
| Location | |
| Right colon | 74 (69.8%) |
| Left colon | 24 (22.7%) |
| Rectum | 8 (7.5%) |
| Bowel subsites | |
| Cecum | 9 (8.5%) |
| Ascending colon | 37 (34.9%) |
| Transverse colon | 28 (26.4%) |
| Descending colon | 7 (6.6%) |
| Sigmoid colon | 17 (16.0%) |
| Rectum | 8 (7.6%) |
| Morphology | |
| Flat | 62 (58.5%) |
| Protruded | 41 (38.7%) |
| Flat+protruded | 3 (2.8%) |
| Histology | |
| HP/IM | 16 (15.1%) |
| TSA | 15 (14.2%) |
| TSA+SSA | 6 (5.7%) |
| SSA | 49 (46.2%) |
| SSA+CD | 9 (8.5%) |
| SSA+HGD | 7 (6.6%) |
| Conventional adenoma | 3 (2.8%) |
| HGD | 1 (0.9%) |
HP, hyperplastic polyp; IM, intermediate; TSA, traditional serrated adenoma; SSA, sessile serrated adenoma; CD, cytological dysplasia; HGD, high grade dysplasia