Presentation
Abdominal pain.
Patient Data
Age: 70 years
Gender: Female
From the case:
Sigmoid volvulus
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Axial and coronal CT images demonstrate significant distension of the sigmoid colon measuring up to 9 cm in diameter, which twists around its long axis resulting in a volvulus with beak-shaped transition point.
Whirl sign in the sigmoid mesocolon located in the lower left part of the abdomen is seen that is best appreciated on the coronal images.
The colon proximal to the volvulus is not so distended.
No evidence of pneumoperitoneum and free fluid is seen.
Intrarectal contrast material is seen due to contrast enema.
Case Discussion
This case demonstrate a typical CT presentation of sigmoid volvulus.
The patient underwent endoscopic detorsion.
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