From: The significance of ectopic crypt formation in the differential diagnosis of colorectal polyps
 |  | CA group |  | ||
---|---|---|---|---|---|
Parameters | TSA group (n = 107)a | TA(n = 106)b | TVA (n = 66)b | VA (n = 19) | p |
Mean age (y) | 61.2 | 63.3 | 62.6 | 59.7 | 0.345 |
(range) | (30-81) | (31-85) | (37-80) | (34-79) | |
Gender | Â | Â | Â | Â | 0.634 |
Woman | 49 | 42 | 31 | 10 | Â |
Man | 55 | 62 | 34 | 9 | Â |
Tumor location | Â | Â | Â | Â | <0.001 |
Proximal | 27 (25.2%) | 62 (58.5%) | 30 (45.5%) | 2 (10.5%) | Â |
Distal | 80 (74.8%) | 44 (41.5%) | 36 (54.5%) | 17 (89.5%) | Â |
Mean tumor size (cm) | 1.3 | 2.7 | 3.2 | 3.6 | <0.001 |
Procedure | Â | Â | Â | Â | NA |
Polypectomy | 37 (34.6%) | 0 | 0 | 0 | Â |
EMR | 57 (53.3%) | 5 (4.7%) | 4 (6.1%) | 0 | Â |
ESD | 12 (11.2%) | 101 (95.3%) | 62 (93.9%) | 19 (100%) | Â |
Transanal excision | 1 (0.9%) | 0 | 0 | 0 | Â |