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. 2023 Sep 12;8(12):509-511.
doi: 10.1016/j.vgie.2023.07.016. eCollection 2023 Dec.

Endoscopic submucosal dissection for a duodenal polyp at the upper aspect of the duodenal bulb using a newly developed endoscope

Satoki Shichijo  1 , Yushi Kawakami  1 , Atusko Kizawa  1 , Daiki Kitagawa  1 , Yasuhiro Tani  1 , Yoji Takeuchi  1 , Ryu Ishihara  1
Affiliations

Endoscopic submucosal dissection for a duodenal polyp at the upper aspect of the duodenal bulb using a newly developed endoscope

Satoki Shichijo et al. VideoGIE. .
No abstract available

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Conflict of interest statement

The authors did not disclose any financial relationships.

Figures

Figure 1
Figure 1
A duodenal polyp at the upper side of the bulb.
Figure 2
Figure 2
Identification of the polyp anal margin was difficult.
Figure 3
Figure 3
The pulley traction method was used to facilitate efficient submucosal dissection.
Figure 4
Figure 4
En bloc resection was achieved.
Figure 5
Figure 5
Microperforation after resection.
Figure 6
Figure 6
Microperforation was closed with a clip.
Figure 7
Figure 7
The final pathologic diagnosis was tubular adenoma, gastric type (immunostaining was focally positive with MUC5AC and positive with MUC6), with negative margins (H&E, immunostaining with MUC5AC and MUC6, respectively, orig. mag. ×100).
Figure 8
Figure 8
Narrow-band imaging after 2 months confirmed no residual tumor.
See this image and copyright information in PMC

References

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    1. Oyama T. Counter traction makes endoscopic submucosal dissection easier. Clin Endosc. 2012;45:375–378. - PMC - PubMed
    1. Shichijo S., Matsuno K., Takeuchi Y., et al. Pulley traction-assisted colonic endoscopic submucosal dissection affords good visibility of submucosal layer. VideoGIE. 2018;3:358–360. - PMC - PubMed
    1. Shichijo S., Takeuchi Y., Matsuno K., et al. Pulley traction-assisted colonic endoscopic submucosal dissection: a retrospective case series. Dig Dis. 2019;37:473–477. - PubMed
    1. Shichijo S., Takeuchi Y., Waki K., et al. Pulley traction-assisted endoscopic submucosal dissection with hemostatic forceps for a laterally spreading tumor in the ascending colon. VideoGIE. 2020;5:684–685. - PMC - PubMed

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