Abstract
Inflammatory bowel disease—unclassified (IBD-U) and indeterminate colitis are diagnoses that are given to patients with inflammatory bowel disease colitis with clinical, endoscopic, and pathologic features that cannot be reliably distinguished as Crohn’s colitis or ulcerative colitis. Importantly, the term IBD-U is reserved for patients who have not had a colectomy and indeterminate colitis is for those who have had a colectomy. Approximately 10–20% of patients with IBD colitis are given this often provisional diagnosis. The medical treatments for colitis due to CD, UC, or IC, are largely the same. For each of these colitides, surgery is typically performed for symptoms refractory to medical therapy, dysplasia, or cancer. Proctocolectomy with ileal pouch anal anastomosis has been used with varying degrees of success in patients with IC. The outcome of pouch surgery for IC appears to be directly related to the certainty with which CD can be excluded prior to surgery.
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Vogel, J.D., Berho, M. (2020). Colonic Conditions: Indeterminate Colitis. In: Steele, S., Maykel, J., Wexner, S. (eds) Clinical Decision Making in Colorectal Surgery. Springer, Cham. https://doi.org/10.1007/978-3-319-65942-8_54
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DOI: https://doi.org/10.1007/978-3-319-65942-8_54
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