# Gel-immersion peroral cholangioscopy-guided biopsy can maintain a clear endoscopic view during bleeding

**Authors:** Takeshi Ogura, Kimi Bessho, Junichi Nakamura, Nga Nguyen Trong, Hiroki Nishikawa

PMC · DOI: 10.1055/a-2791-4888 · Endoscopy · 2026-02-24

## Full-text entities

- **Diseases:** stricture (MESH:D003251), bile duct lesion (MESH:D001649), obstructive cholangitis (MESH:D002761), bleeding (MESH:D006470), biliary disease (MESH:D001660), cholangiocarcinoma (MESH:D018281), tumor (MESH:D009369), bile duct tumor (MESH:D001650)
- **Chemicals:** Water (MESH:D014867), saline (MESH:D012965)

## Full text

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## References

4 references — full list in the complete paper: https://tomesphere.com/paper/PMC12932043/full.md

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Source: https://tomesphere.com/paper/PMC12932043