Gastrointestinal diagnosis using non-white light imaging capsule endoscopy.

Area of Science:

• Gastroenterology
• Medical Imaging
• Biomedical Engineering

Background:

• Capsule endoscopy (CE) with white light imaging (WLI) is crucial for small bowel disorder diagnosis.
• Current WLI-based CE is limited to mucosal inspection, relying on visible disease manifestations.

Purpose of the Study:

• To review research on non-WLI CE devices and their potential to overcome WLI limitations.
• To explore advancements in sensing modalities for enhanced diagnostic capabilities.

Main Methods:

• Taxonomic classification of non-WLI CE devices based on sensing modality.
• Summary of research integrating diverse sensors and biomarker discovery.

Main Results:

• Non-WLI CE technologies offer enhanced detection of mucosal, submucosal, and transmural pathology.
• Integration of various sensors aims to improve CE sensitivity and specificity.

Conclusions:

• Emerging non-WLI CE technologies promise to significantly improve diagnostic accuracy and clinical utility.
• Future CE applications may include virtual biopsy and computer-aided diagnosis (CADx).