Synonyms
Colitis ulcerosa
Definition
Ulcerative colitis is a chronic inflammatory process of the colon, beginning in the rectum and extending proximally in the colon. This inflammatory process is continuous and normally limited to the mucosa. In case of pancolitis, the inflammation may involve the first centimeters of the ileum, the so-called backwash ileitis. Rarely, a left-sided colitis is associated with an area of inflammation in the caecum, named the caecal patch.
The pathogenesis of ulcerative colitis is not fully elucidated. It is a multifactorial process, in which besides genetic factors, other factors such as the innate immune system and environmental factors, in particular the intestinal flora, play a role. Genome-wide association studies have shown that in ulcerative colitis, numerous genes are involved. These genes are responsible for different functions such as the maintenance of epithelial integrity, innate immune function, immune regulatory function, and in cellular...
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Danese, S., & Fiocchi, C. (2011). Ulcerative colitis. The New England Journal of Medicine, 365, 1713–1725.
Fenoglio-Preiser, C. M., Noffsinger, A. E., Stemmermann, G. N., Lantz, P. E., & Isaacson, P. G. (2008). Gastrointestinal pathology. An atlas and text (3rd ed.). Philadelphia: Lippincott, Williams & Wilkins.
Geboes, K. (2009). What histologic features differentiate Crohn’s disease from ulcerative colitis? Inflammatory Bowel Diseases, 14, S168–S169.
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Ordas, I., Eckmann, L., Talamini, M., Baumgart, D. C., & Sandborn, W. J. (2012). Ulcerative colitis. Lancet, 380, 1606–1619.
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Driessen, A. (2017). Ulcerative Colitis. In: Carneiro, F., Chaves, P., Ensari, A. (eds) Pathology of the Gastrointestinal Tract. Encyclopedia of Pathology. Springer, Cham. https://doi.org/10.1007/978-3-319-40560-5_1546
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DOI: https://doi.org/10.1007/978-3-319-40560-5_1546
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