Gel Immersion vs. Water Immersion Endoscopic Ultrasound for Visualization of the Duodenal Papilla and Periampullary Lesions: A Dual-Center Retrospective Study With Blinded Evaluation of Archived Videos.

Q: What does this research mean for the field?

Gel immersion endoscopic ultrasound (GI-EUS) significantly improves ampullary delineation compared to water immersion (WI) endoscopic ultrasound. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

Haruka Toyonaga; Toshifumi Kin; Hajime Yamazaki; Hironao Matsumoto; Kimi Sumimoto; Makoto Masaki; Arata Oka; Takuya Takayama; Tatsuya Nakagawa; Masataka Kano; Masahiro Orino; Kazuki Hama; Kosuke Iwano; Ryo Ando; Tatsuya Ishii; Masayo Motoya; Tsuyoshi Hayashi; Kuniyuki Takahashi; Akio Katanuma; Masaaki Shimatani; Makoto Naganuma

doi:10.1002/jhbp.70090

Key Points

To compare gel immersion endoscopic ultrasound (GI-EUS) with water immersion (WI) in visualizing the duodenal papilla and periampullary lesions.
Retrospective dual-center design
Blinded evaluation of archived endoscopic ultrasound videos
Comparison of visual clarity and stability between GI-EUS and WI
GI-EUS significantly improves ampullary delineation
GI-EUS exhibits enhanced liquid stability
Clinical utility of GI-EUS is supported for pancreatobiliary evaluations

Implication

A dual-center retrospective study shows gel immersion enhances visualization of periampullary lesions, suggesting improved clinical outcomes.

Abstract

Compared with WI, GI-EUS significantly improves ampullary delineation with enhanced liquid stability and clarity, supporting clinical utility in pancreatobiliary EUS evaluations.

Discussion

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Cite This Study

Toyonaga et al. (2026) studied this question.

synapsesocial.com/papers/69ada892bc08abd80d5bba18 https://doi.org/10.1002/jhbp.70090

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Gel Immersion vs. Water Immersion Endoscopic Ultrasound for Visualization of the Duodenal Papilla and Periampullary Lesions: A Dual-Center Retrospective Study With Blinded Evaluation of Archived Videos.

Key Points

Implication

Abstract

Discussion

Cite This Study

Gel Immersion vs. Water Immersion Endoscopic Ultrasound for Visualization of the Duodenal Papilla and Periampullary Lesions: A Dual-Center Retrospective Study With Blinded Evaluation of Archived Videos.

Key Points

Implication

Abstract

Discussion

Cite This Study

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