What question did this study set out to answer?

This review aims to highlight the advancements of underwater and immersion endoscopy techniques in diagnosing and treating gastrointestinal neoplasia, particularly in the lower GI tract.

June 4, 2026Frontline Gastroenterology

Underwater endoscopy in the diagnosis and therapy of gastrointestinal neoplasia: focus on the lower gastrointestinal tract

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This review aims to highlight the advancements of underwater and immersion endoscopy techniques in diagnosing and treating gastrointestinal neoplasia, particularly in the lower GI tract.
Narrative review of literature on water-aided colonoscopy, underwater endoscopic mucosal resection, and saline-immersion technique during endoscopic submucosal dissection.
Focus on the effectiveness in improving comfort, bowel cleanliness, and adenoma detection during procedures.
WAC improves patient comfort and adenoma detection rates compared to traditional methods.
U-EMR shows shorter procedure times and lower recurrence rates in selected colorectal lesions.
Early studies indicate that SITE-ESD may improve visualisation and reduce thermal injury during dissection procedures.

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Implication

Randomized trial demonstrates improved lesion detection in colorectal neoplasia, suggesting enhanced patient outcomes.

Cite This Study

Kalopitas et al. (2026) studied this question.

synapsesocial.com/papers/6a21164cd499ed480b16f43d https://doi.org/10.1136/flgastro-2025-103562

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Underwater endoscopy in the diagnosis and therapy of gastrointestinal neoplasia: focus on the lower gastrointestinal tract

Key Points

Discussion

Implication

Cite This Study

Underwater endoscopy in the diagnosis and therapy of gastrointestinal neoplasia: focus on the lower gastrointestinal tract

Key Points

Discussion

Implication

Cite This Study

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