Table 1. Characteristics of polyps removed using piecemeal of en bloc C-EMR.
Technique | No. polyps | Amt. of submucosal injection (mL) | Polyp size (mm) | Location | Morphology (flat/sessile) | Histology |
Piecemeal | 14 | 30 (7–80) | 20 (10–45) | Lip of ICV: 9 Invading into cecum: 4 Invading into terminal ileum: 1 | 9/5 | 6 TA, 5 TVA, 2 SSA, 1 inflammatory |
En bloc | 7 | 17.5 (6–70) | 15 (5–20) | Lip of ICV: 5 Invading into cecum: 2 Invading into terminal ileum: 0 | 5/2 | 1 adenocarcinoma 4 TA 1 TVA 1 lipoma |
Overall | 21 | 28 (6–80) | 15 (5–45) | Lip of ICV: 14 Invading into cecum: 6 Invading into terminal ileum: 1 | 14/7 | 10 TA, 6 TVA, 2 SSA, 1 inflammatory, 1 lipoma, 1 adenocarcinoma |
C-EMR, cap-assisted endoscopic mucosal resection; ICV, ileocecal valve;l TA, tubular adenoma; TVA, tubulovillous adenoma; SSA, sessile serrated.