Atypical acute epiploic appendagitis
Several days of LLQ pain. Moderate tenderness but no rebound.
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Fat stranding surrounds a short segment of the sigmoid colon in the LLQ. There is a small focus of fat density in the center of the inflamed pericolic tissues, posterolateral to the sigmoid colon (axial image 88).
No free fluid or free gas.
Findings are in keeping with acute epiploic appendagitis. The patient self discharged.
Usually, the inflamed epipolic appendage is located on the anterior surface of the sigmoid or descending colon.