Presentation
Left lower abdominal pain.
Patient Data
Age: 55 years
Gender: Male
From the case:
Epiploic appendagitis - sigmoid colon
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Axial non-contrast
The CT scan shows the following features:
- ovoid structure of fat-density in the left iliac fossa, adjacent to the sigmoid colon measuring (3.5 x 3.4 x 2 cm)
- thin peripheral high-density rim "hyperattenuating ring sign"
- no significant thickening of the adjacent colonic wall
- surrounding inflammatory fat stranding with thickening of the adjacent peritoneum
- central hyperdense dot is noted, representing most likely the thrombosed vascular pedicle
Hiatus hernia is noted.
Case Discussion
CT scans showing the classic features of an epiploic appendagitis of the sigmoid colon.
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