Inflammatory bowel disease and novel endoscopic technologies

Area of Science:

• Gastroenterology
• Medical Imaging
• Endoscopy

Background:

• Inflammatory Bowel Disease (IBD) diagnosis relies on conventional methods like ileocolonoscopy and barium follow-through.
• Novel techniques such as capsule endoscopy (CE), balloon enteroscopy (BE), computed tomography enterography (CTE), and magnetic resonance enterography (MRE) have emerged for IBD assessment.
• Ulcerative colitis (UC) patients face risks of dysplasia and cancer, challenging to detect during inflammation.

Purpose of the Study:

• To review and compare conventional and novel diagnostic techniques for Inflammatory Bowel Disease (IBD).
• To highlight the capabilities of different modalities in assessing disease extent, severity, and complications.
• To discuss advancements in detecting colitis-associated dysplasia/cancer in ulcerative colitis (UC).

Main Methods:

• Review of existing literature on diagnostic techniques for IBD.
• Comparison of endoscopic methods (ileocolonoscopy, CE, BE, endocytoscopy) for mucosal visualization.
• Evaluation of cross-sectional imaging (CTE, MRE) for transmural inflammation and extraintestinal manifestations.
• Discussion of magnification colonoscopy and newer colon CE for dysplasia detection.

Main Results:

• CE and BE provide direct mucosal visualization.
• CTE and MRE excel at detecting transmural inflammation, stenosis, and extraintestinal lesions like abscesses and fistulas.
• Detecting colitis-associated cancer in UC remains challenging, especially with active inflammation.
• Magnification colonoscopy, colon CE, and endocytoscopy show potential for future dysplasia detection in UC.

Conclusions:

• A range of advanced endoscopic and imaging techniques offer improved diagnostic capabilities for IBD.
• The choice of technique depends on whether mucosal or transmural disease assessment is prioritized.
• Emerging technologies hold promise for earlier and more accurate detection of dysplasia and cancer in UC.