Table 2. Features of endoscopic resection of colonic polyps by EMR/ESD in patients with IBD.
Characteristics | |
Median size of polyp (mm) | 15 (10 – 60) |
|
68 (54.8 %) |
|
56 (45.1 %) |
Location of polyps, n (%) | |
Ileo-cecal valve/cecum | 5 (4 %) |
Ascending colon | 55 (44.4 %) |
Transverse colon | 19 (15.3 %) |
Descending colon | 9 (7.3 %) |
Sigmoid colon | 23 (18.5 %) |
Rectum | 13 (10.5 %) |
Morphology (Paris classification), n (%) | |
Polypoid pedunculated | 7 (5.6 %) |
Polypoid sessile | 69 (55.6 %) |
Non polypoid superficial elevated | 45 (36.3 %) |
Non polypoid flat | 2 (1.6 %) |
Non polypoid depressed | 1 (0.8 %) |
Procedure type, n (%) | |
ESD | 3 (2.4 %) |
EMR | 118 (95.2 %) |
ESD and EMR | 3 (2.4 %) |
Resectioning technique, n (%) | |
En bloc | 88 (70.9 %) |
Piecemeal | 36 (29.0 %) |
Type of snare used, n (%) | |
Standard/small | 113 (91.1 %) |
Spiral | 13 (10.2 %) |
Crescent | 1 (0.8 %) |
Additional therapy, n (%) | |
APC | 50 (40.3 %) |
Hot biopsy avulsion | 9 (7.2 %) |
Hot snare | 109 (87.9 %) |
Cold biopsy | 11 (8.8 %) |
Cold snare | 9 (7.2 %) |
Polyps needing clips used, n (%) | 65 (52.4 %) |
Histology, n (%) | |
Tubular adenoma, low grade dysplasia | 75 (60.5 %) |
Tubulovillous adenoma, low grade dysplasia | 14 (11.3 %) |
Serrated | 31 (19.7 %) |
Adenocarcinoma | 3 (1.9 %) |
Hyperplastic | 22 (14 %) |
Surgery within 12 months of polypectomy | 11 (11.3 %) |
Recurrence, n (%) | |
1 recurrence | 20 (16 %) |
2 recurrences | 9 (45 %) |
3 recurrences | 3 (33.3 %) |
EMR, endoscopic mucosal resection; ESD, endoscopic submucosal dissection; IBD, inflammatory bowel disease; APC, adenomatous polyposis coli