| Featured Session 2 (JGES,JSGE,JSGS) |
| Fri. November 1st 14:40 - 17:00 Room 1: Kobe International Exhibition Hall No.2 Building Hall (North) |
| Effectiveness and safety of endoscopic submucosal dissection for laterally spreading duodenal papillary tumors | |||
| Yuki Kano1, Yuji Fujita1, Ken Ohata1 | |||
| 1Department of Gastroenterology, NTT Medical Center Tokyo | |||
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| Background: Laterally spreading duodenal palillary tumors (LSPT) are difficult to resect using endoscopic papillary (EP). Duodenal endoscopic submucosal dissection (ESD) may also be performed to treat LSPT; however, no studies have been conducted on the outcomes of ESD for LSPT. Methods: We retrospectively compared 41 patients who underwent EP for PT (EP group) with 6 patients who underwent ESD for LSPT (ESD group). Results: There were no significant differences in patient background between both groups. Procedure time and specimen diameter were significantly greater in the ESD group than in the EP group. The rate of positive vertical margins (VM1) was significantly higher in the ESD group than in the EP group. In the cases of VM1, additional therapies were performed in the ESD group, and no local recurrence was observed. There were no postoperative adverse events in the ESD group, whereas delayed bleeding and delayed perforation were observed in the EP group. Conclusions: The VM1 rate was significantly higher in the ESD group than in the EP group; however, patients who underwent ESD have been recurrence-free without undergoing additional surgical resection. No delayed adverse events were observed in the ESD group, suggesting that ESD is effectiveness and safe for LSPT. |
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Index Term 1: laterally spreading duodenal papillary tumors Index Term 2: endoscopic submucosal dissection |
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