Most common finding of ischemic colitis on CT

What is the most common finding of ischemic colitis on CT?

Circumferential symmetric colonic wall thickening between 3 mm to 2 cm, with fold enlargement. In up to 25% of cases, the “target” sign may be present. This finding is best appreciated during the late arterial and venous phases of enhancement following administration of negative (water attenuation) oral contrast material as well as intravenous contrast material


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