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IBS with inflamed bowel?

My CT entography showed inflammation in bowel yet Colonoscopy came clean- hence i've been diagnosed with ibs but I think i've been wrongly diagnosed. How come inflammation showed up on one test and not the other?
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Avatar universal
Also, which part of the bowel showed inflammation on CT enterography? CT enterography evaluates the stomach, small bowel (duodenum, jejunum, and ileum), large bowel (ascending colon, transverse colon, descending colon, sigmoid colon, and rectum) as well as appendix. On the other hand, colonoscopy evaluates only rectum, sigmoid colon, descending colon, transverse colon, ascending colon, and terminal ileum (very end of small bowel).
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so this was about 4 years ago-
CT showed thumbprinting inflammation on descending and sigmoid colon.
I had that done first and then continued with colonoscopy after which was declared irritable bowel syndrome and not Crohns/Colitis.
I don't understand how I could have an inflamed bowel and yet be diagnosed as just IBS.
The reason I'm thinking about it again is that I was diagnosed during military service and couldn't really advocate for myself well and now looking over the documents I don't understand how no one continued to search for answers except dietary recommendations.
Thumbprinting is a radiographic sign of large bowel wall thickening, usually caused by edema, related to an infectious and/or inflammatory process (colitis). If infectious, consider entities such as pseudomembranous colitis caused by Clostridium difficile. If inflammatory, consider entities such as ulcerative colitis (classically involving rectum and distal colon) or Crohn's (classically involving terminal ileum). Thumbprinting may also be seen with ischemic bowel or mucosal/submucosal hemorrhage. In your case, it is possible you had infectious and/or inflammatory colitis in the past and the active process has since resolved. You can discuss further with your gastroenterologist. If symptoms persist, consider repeat CT enterography, or alternatively MRI enterography.
Avatar universal
Do you mean IBS (irritable bowel syndrome) or IBD (inflammatory bowel disease)?
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