Presentation
Abnormal bowel habits, pelvic pain, and urinary symptoms
Patient Data
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CT study shows excess submucosal fat deposition involving the rectum (fat halo sign) with associated extramural deposition of fat leads to significant thickening of the perirectal fat and widening of the presacral space
Case Discussion
This study demonstrates rectal fat halo sign and widening of the presacral space, both are described in chronic cases of inflammatory bowel disease, however, they are nonspecific and should be correlated with clinical and histopathological evidence. Many causes other than inflammatory bowel disease could be presenting similarly including normal obese patients.
This patient had a colonoscopy that revealed a normal colon with no evidence of inflammatory bowel disease. His CT findings were attributed to obesity.
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