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Ischemic colitis: CT evaluation of 54 cases.
E J Balthazar1, B C Yen, R B Gordon
1Department of Radiology, New York University-Bellevue Medical Center, NY 10016, USA.
Radiology
|May 6, 1999
Summary
Computed tomographic (CT) scans help diagnose ischemic colitis, even when unsuspected, and identify complications. However, CT findings alone cannot predict infarction development.
Area of Science:
- Radiology
- Gastroenterology
- Abdominal Imaging
Background:
- Ischemic colitis is a serious condition affecting the colon.
- Early and accurate diagnosis is crucial for effective management.
Purpose of the Study:
- To review computed tomographic (CT) findings in ischemic colitis.
- To assess the impact of CT imaging on patient treatment.
- To define the spectrum of CT appearances in ischemic colitis.
Main Methods:
- Retrospective review of CT scans and medical records from 54 patients with confirmed ischemic colitis.
- Analysis of colonic abnormalities and associated findings on CT.
- Assessment of clinical suspicion and treatment outcomes.
Main Results:
- Segmental colonic involvement was common (89%), with a mean length of 19 cm.
- CT showed varied wall appearances: 'wet' (edema) in 61%, 'dry' (thickening) in 33%, and intramural air in 6%.
- Ischemia resolved in 76% of patients; complications occurred in 24%.
Conclusions:
- CT is valuable for confirming suspected ischemic colitis and diagnosing complications.
- CT can suggest ischemia even when clinically unsuspected.
- Intrinsic colonic abnormalities on CT do not reliably predict infarction.