Large endoscopic mucosal resection for colorectal tumors exceeding 4 cm

Table 3 Resection of large sessile polyps via fragmentation: recurrence rates and efficacy

Author	Yr	n	Sessile lesions (%)	Size (cm)	Piecemeal (%)	Surveillance	Relapse (%)	Endoscopic efficacy (%)
Bedogni et al[48]	1986	66	75	≥ 3	100	3-85 mo	11	-
Walsh et al[49]	1992	65	100	≥ 3	100	2.8 mo	28	88
Binmoeller et al[50]	1996	170	73	3-6	100	> 6 mo	16	-
Kanamori et al[4]	1996	32	100	3-8.5	76	2.4 yr	0	100
Iishi et al[27]	2000	56	100	2-5	75	34 mo	39	83
Higaki et al[29]	2003	24	100	2-6	79	24 mo	22.2	91.3
Doniec et al[21]	2003	184	76	3-≥ 13	100	40 mo	3	-
Seitz et al[28]	2003	288	78	> 3	100	36 mo	17	-
Hurlstone et al[23]	2004	58	100	> 1.5	62	24 mo	17	96
Bories et al[51]	2006	50	100	1-> 5	55.8	17.3 mo	15	-
Katsinelos et al[52]	2006	59	100	≥ 2	61	> 1 yr	3.4	96.78
Arebi et al[31]	2007	161	100	2-> 8	100	9.2 mo	-	95.4