Endoscopic resection of colitis-associated neoplasia: A scoping review

Table 3 Multicentre studies evaluating outcomes of endoscopic submucosal dissection in ulcerative colitis

Ref.	Country	n (lesions)	Mean size (mm)	En bloc (%)	R0 (%)	Curative (%)	Fibrosis (%)	Bleed (%)	Perforation (%)	Local recurrence (%)	Metachronous (%)	Surgery (%)
Maselli et al[14], 2024	Italy (ERIN)	96	35	95.8	85.4	83.3	About 73	4.2	8.3	3.1	3.1	11.5
Geyl et al[15], 2025	Italy (JCC)	88	40 (median)	91.0	81.8	79.5	75	8.0	14.8	6.8	Not reported	10.2
Kinoshita et al[17], 2018	Japan	25	22	100.0	76.0	Not stated	100	0.0	4.0	Not stated	Not stated	Indicated if non-curative
Manta et al[16], 2021	Italy	53	35 (median)	100.0	96.2	All R0	54.7 (F1 + F2)	13.2	5.6	0	3.7	3.8 (metachronous cases)
Ngamruengphong et al[18], 2022	United States	45	30 (median)	95.6	75.5	Not stated	73	8.8	2.2	2.6	31	2
Suzuki et al[19], 2017	United Kingdom/Japan	32	33 (median)	91.0	79.0	Not stated	97	3.0	0.0	3.1	9.3	4 (12.5%)

R0: Histologically clear margins; F1/F2: Fibrosis grading; ERIN: Endoscopic Resection Italian Network; JCC: Journak of Crohn’s Colitis.