Presentation
Abdominal pain and distention.
Patient Data
Age: 70 years
Gender: Female
From the case:
Pneumoperitoneum
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Rigler's sign and the continuous diaphragm sign of pneumoperitoneum.
Distended large bowel.
Case Discussion
At surgery, an obstructing sigmoid cancer was identified as the cause of large bowel obstruction and pneumoperitoneum.
This is a very clear example of Rigler's sign.