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. 2023 Dec;55(S 01):E238-E239.
doi: 10.1055/a-1965-3827. Epub 2022 Nov 18.

Underwater endoscopic submucosal dissection of a relapsing neoplastic colorectal lesion after surgery and radiotherapy: water to the rescue!

André Mascarenhas  1 , Nuno Figueiredo  2 , Daniela Macedo  3 , David Serra  4 , Cristina Chagas  1 , Pedro Barreiro  1   4
Affiliations

Underwater endoscopic submucosal dissection of a relapsing neoplastic colorectal lesion after surgery and radiotherapy: water to the rescue!

André Mascarenhas et al. Endoscopy. 2023 Dec.
No abstract available

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Conflict of interest statement

The authors declare that they have no conflict of interest.

Figures

Fig. 1
Fig. 1
Neoplastic superficial lesion of the nonpolypoid type, flat with a slight central depression (Paris 0-IIb + c) and 15 mm in length, located at the colorectal anastomosis.
Fig. 2
Fig. 2
Colorectal anastomosis with previous tattoo and scarring from radiotherapy.
Fig. 3
Fig. 3
No endoscopic signs of invasive cancer (vessel and surface pattern type 2B according to the classification of the Japan NBI Expert Team [JNET]).
Fig. 4
Fig. 4
Widespread and severe submucosal fibrosis during endoscopic submucosal dissection.
Fig. 5
Fig. 5
In situ surgical material further complicating the procedure.
See this image and copyright information in PMC

References

    1. Maida M, Sferrazza S, Murino A et al.Effectiveness and safety of underwater techniques in gastrointestinal endoscopy: a comprehensive review of the literature. Surg Endosc. 2021;35:37–51. - PubMed
    1. Tan D, Ng C H, Lim X C et al.Is underwater endoscopic mucosal resection of colon polyps superior to conventional techniques? A network analysis of endoscopic mucosal resection and submucosal dissection. Endosc Int Open. 2022;10:E154–E162. - PMC - PubMed
    1. Iacopini F, Gotoda T, Montagnese F et al.Underwater endoscopic submucosal dissection of a nonpolypoid superficial tumor spreading into the appendix. VideoGIE. 2017;2:82–84. - PMC - PubMed