Abstract
Since the concept of “mucosal healing” was introduced into clinical practice, endoscopy has been more important in the diagnosis and monitoring in patients with inflammatory bowel disease (IBD). However, the fact remains that there is an IBD population who is not able to have a complete endoscopic examination due to age, severe medical conditions or intestinal complications such as strictures or adhesions. Furthermore, the inflammation of IBD may often progress to extra-enteral organs, particularly in Crohn’s disease (CD). Cross-sectional imaging modalities such as computed tomography (CT) are considered to be complementary to endoscopy and more important in those cases. Both CT enterography (CTE) and CT colonography (CTC) have not only a better ability in terms of spatial and temporal resolution for assessing intestinal and extra-intestinal lesions in IBD, but also higher accessibility and better patient tolerance compared with other diagnostic modalities. Although the most significant limitation of CT is radiation exposure, various new technologies combining low-dose CT and an iterative reconstruction algorithm are being developed, so that diagnostically acceptable CT examinations may be performed within the sub-mSv effective dose range in the near future.
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Takeuchi, K., Miyamura, M., Arai, T., Ishikawa, R., Yamada, A., Suzuki, Y. (2018). Current Progress of Endoscopy in Inflammatory Bowel Disease: CT Enterography and CT Colonography in Inflammatory Bowel Disease. In: Hibi, T., Hisamatsu, T., Kobayashi, T. (eds) Advances in Endoscopy in Inflammatory Bowel Disease. Springer, Tokyo. https://doi.org/10.1007/978-4-431-56018-0_5
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