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- Due to vascular compromise of greater omentum
- Primary omental torsion is usually right sided, due to congenital or vascular variations
- Seen in obesity
- Secondary infarction – surgery, abdominal inflammation, tumors, hernial sacs
- Treatment is conservative
Imaging
- CT: heterogeneous large omental mass with hyper attenuating streaks in right lower quadrant. Larger than 5 cm.