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Original Article

EMR-P for small rectal neuroendocrine tumors: is it a preferred treatment?

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Pages 1503-1508 | Received 14 Apr 2022, Accepted 13 Jun 2022, Published online: 25 Jun 2022

Figures & data

Figure 1. Procedure for precut endoscopic mucosal resection. (A) Yellow hemispherical mass in the rectum; (B) Injection into the submucosal layer; (C) Circumferential resection; (D) Snaring of the lesion; (E) Mucosal defect after endoscopic submucosal dissection; (F) Clip closure of the mucosal defect.

Figure 1. Procedure for precut endoscopic mucosal resection. (A) Yellow hemispherical mass in the rectum; (B) Injection into the submucosal layer; (C) Circumferential resection; (D) Snaring of the lesion; (E) Mucosal defect after endoscopic submucosal dissection; (F) Clip closure of the mucosal defect.

Figure 2. Procedure for endoscopic submucosal dissection. (A) Yellow hemispherical mass in the rectum; (B) Injection into the submucosal layer; (C) Entry into the submucosa for dissection; (D) Mucosal defect observed after endoscopic submucosal dissection; (E) Clip closure of mucosal defect; (F) The excised specimen was treated and analyzed in a standardized manner.

Figure 2. Procedure for endoscopic submucosal dissection. (A) Yellow hemispherical mass in the rectum; (B) Injection into the submucosal layer; (C) Entry into the submucosa for dissection; (D) Mucosal defect observed after endoscopic submucosal dissection; (E) Clip closure of mucosal defect; (F) The excised specimen was treated and analyzed in a standardized manner.

Figure 3. Flowchart of patient enrollment. EMR: Endoscopic mucosal resection; EMR-P: Precut endoscopic mucosal resection; ESD: Endoscopic submucosal dissection; IQR: Interquartile range.

Figure 3. Flowchart of patient enrollment. EMR: Endoscopic mucosal resection; EMR-P: Precut endoscopic mucosal resection; ESD: Endoscopic submucosal dissection; IQR: Interquartile range.

Table 1. Comparison of the baseline clinical characteristics of patients in the EMR-P and ESD groups.

Table 2. Comparison of the treatment results between EMR-P and ESD.