Acute left hemi-abdominal pain for four days.
Age: 30 years
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- Coffee bean sign is seen in the topogram.
- In CT images large gas-filled loop is seen (the sigmoid colon- 12 cm in diameter) lacking haustra, forming a closed-loop obstruction.
- whirl sign is present evident by twisting of the mesentery and mesenteric vessels
No discreet mass lesion. No bowel perforation. Rest of the bowel loops are normal.
Typical case of sigmoid volvulus.