Abstract
The lumen of the small bowel is ringed by circular mucosal folds, the so-called valvulae conniventes (Kerckring’s folds), which gradually decreased distally. The mucosal surface is characterized by fingerlike extensions, the villi. Lymphoid follicles are scattered throughout the small bowel but are found in highest concentrations in the distal ileum. These structures can be viewed by conventional endoscopy, capsule endoscopy, or device-assisted enteroscopy. The characteristics of the images among those modalities are different because of the different way of image-making. This chapter reviews the images of normal small bowel from the conventional endoscope, capsule endoscope, and device-assisted enteroscope as well as some artifacts and common normal variants that may be encountered during small bowel examinations.
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References
Keljo DF, Gariepy CE. Anatomy, histology, embryology, and developmental anomalies of the small and large intestine. In: Feldman M, Friedman LS, Sleisenger MH, editors. Gastrointestinal and liver disease. Pennsylvania: Saunders; 2002.
Mergener K. Normal small bowel and normal variants of the small bowel. In: Douglas OF, David RC, editors. Capsule endoscopy. Philadelphia: Elsevier; 2008.
Keuchel M, Hagenmüller F, Herbay AV. Normal small intestine. In: Keuchel M, Hagenmüller F, David EF, editors. Atlas of video capsule endoscopy. Hamburg: Springer; 2006.
The Korean Gut Image Study Group. Normal findings. In:Capsule endoscopy. Seoul: Medbook; 2008.
S Monteiro, FD de Castro, PB Carvalho, MJ Moreira, B Rosa, J Cotter (2016) PillCam® SB3 capsule: does the increased frame rate eliminate the risk of missing lesions? World J Gastroenterol 22:3066–3068.
Acknowledgments
Jin-Oh Kim, Department of Internal Medicine, Soonchunhyang University College of Medicine, Seoul, South Korea.
Seong Ran Jeon, Department of Internal Medicine, Soonchunhyang University College of Medicine, Seoul, South Korea.
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Shim, KN. (2018). Normal Small Bowel Findings and Normal Variants of the Small Bowel. In: Chun, H., Yang, SK., Choi, MG. (eds) Clinical Gastrointestinal Endoscopy. Springer, Singapore. https://doi.org/10.1007/978-981-10-4995-8_26
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DOI: https://doi.org/10.1007/978-981-10-4995-8_26
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