A total of 138 rectal NETs were treated endoscopically by a single endoscopist at Asan Medical Center. We analyzed 122 rectal NETs that had been removed by using EMR (n = 56), EMR-C (n = 34), or ESD (n = 32).
The histologic complete resection rate was higher in the EMR-C group than in the EMR group (94.1% vs 76.8%, P = .032). Intraprocedural bleeding tended to be more frequent in the EMR-C group than in the EMR group (8.8% vs 0%, P = .051). No differences in the rates of adverse events or histologic complete resections were observed between the EMR-C group and the ESD group for 6-mm to 8-mm NETs; however, the procedure time was significantly shorter in the EMR-C group (3.9 ± 1.1 minutes) than in the ESD group (19.0 ± 12.1 minutes) (P < .001). There was no recurrence in any of the 3 groups.
EMR-C is the preferable technique for endoscopic resection of small rectal NETs.
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