Clin Endosc.  2020 Jul;53(4):387-394. 10.5946/ce.2020.133.

The Future of Capsule Endoscopy: The Role of Artificial Intelligence and Other Technical Advancements

  • 1Department of Internal Medicine, Hallym University College of Medicine, Chuncheon, Korea
  • 2Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, Korea


Capsule endoscopy has revolutionized the management of small-bowel diseases owing to its convenience and noninvasiveness. Capsule endoscopy is a common method for the evaluation of obscure gastrointestinal bleeding, Crohn’s disease, small-bowel tumors, and polyposis syndrome. However, the laborious reading process, oversight of small-bowel lesions, and lack of locomotion are major obstacles to expanding its application. Along with recent advances in artificial intelligence, several studies have reported the promising performance of convolutional neural network systems for the diagnosis of various small-bowel lesions including erosion/ulcers, angioectasias, polyps, and bleeding lesions, which have reduced the time needed for capsule endoscopy interpretation. Furthermore, colon capsule endoscopy and capsule endoscopy locomotion driven by magnetic force have been investigated for clinical application, and various capsule endoscopy prototypes for active locomotion, biopsy, or therapeutic approaches have been introduced. In this review, we will discuss the recent advancements in artificial intelligence in the field of capsule endoscopy, as well as studies on other technological improvements in capsule endoscopy.


Artificial intelligence; Capsule endoscopy; Convolutional neural network; Locomotion
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