Clin Endosc.  2022 May;55(3):465-466. 10.5946/ce.2021.038.

Underwater cold forceps polypectomy for an adenoma within a cecal diverticulum

Affiliations
  • 1Department of Gastroenterology, Saiseikai Yamaguchi Hospital, Yamaguchi, Japan
  • 2Faculty of Laboratory Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
  • 3Department of Gastroenterology and Hepatology, Yamaguchi University Graduate School of Medicine, Ube, Japan


Figure

  • Fig. 1. Underwater cold forceps polypectomy. (A) A sessile polyp 3 mm in size was found in a cecal diverticulum. The underwater method improved polyp visualization. Narrow-band imaging (NBI). (B, C) Underwater cold forceps polypectomy was performed. (D) Observation using NBI and continuous irrigation confirmed that there were no residual lesions or perforation.

  • Fig. 2. Resected specimen (hematoxylin & eosin, ×10). Histopathological examination revealed a tubular adenoma.


Reference

1. Valli PV, Kaufmann M, Vrugt B, et al. Endoscopic resection of a diverticulum-arisen colonic adenoma using a full-thickness resection device. Gastroenterology. 2014; 147:969–971.
2. Carmo J, Marques S, Chapim I, et al. Elastic band ligation for the removal of a colonic tubular adenoma in a diverticulum. Endoscopy. 2015; 47 Suppl 1:E490–E491.
3. Binmoeller KF, Weilert F, Shah J, et al. “Underwater” EMR without submucosal injection for large sessile colorectal polyps (with video). Gastrointest Endosc. 2012; 75:1086–1091.
4. Kubosawa Y, Nishizawa T, Kinoshita S, et al. Cold snare polypectomy for polyp adjacent to colonic diverticulum. VideoGIE. 2018; 3:85–86.
5. Yanagisawa F, Inoki K, Katagiri A, et al. Cold snare polypectomy in combination with a traction device for resection of a colonic adenoma partially extending into a diverticulum. VideoGIE. 2020; 5:580–582.
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