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CC BY-NC-ND 4.0 · Endosc Int Open 2024; 12(04): E532-E534
DOI: 10.1055/a-2272-1012
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Water pressure method for endoscopic submucosal dissection of a rectal tumor on the gravitational side close to the dentate line

Tao Dong
1   Digestive Endoscopy Center, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China (Ringgold ID: RIN375808)
,
Hanying Wang
1   Digestive Endoscopy Center, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China (Ringgold ID: RIN375808)
,
Lin Jing
1   Digestive Endoscopy Center, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China (Ringgold ID: RIN375808)
,
Xuan Zhou
1   Digestive Endoscopy Center, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China (Ringgold ID: RIN375808)
,
Yaohui Wang
2   Department of Pathology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China (Ringgold ID: RIN375808)
,
Jun Xiao
1   Digestive Endoscopy Center, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China (Ringgold ID: RIN375808)
› Author AffiliationsScience and Technology Development Special Project of Jiangsu Provincial Administration of Traditional Chinese Medicine.
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Adequate submucosal exposure and visibility are vital for effective and safe endoscopic submucosal dissection (ESD) [1]. For lesions located on the gravitational side, the mucosal flap tends to collapse as the dissection proceeds which hinders subsequent operation [2]. Position change for gravity assistance is usually preferred in this circumstance, but not always applicable [3]. In this case, we present use of the water pressure method (WPM) to facilitate ESD of a rectal tumor on the gravitational side close to the dentate line ([Video 1]).


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Water pressure method for endoscopic submucosal dissection of a rectal tumor on the gravitational side close to the dentate line.Video 1



Publication History

Received: 02 January 2024

Accepted after revision: 16 February 2024

Article published online:
15 April 2024

© 2024. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/).

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