Related Experiment Videos
The cupola sign of pneumoperitoneum in the supine patient
Gastrointestinal Radiology
|January 1, 1986
Abstract:
Free air within the peritoneal cavity can be recognized on supine abdominal films by identification of the median subphrenic space. We have termed this the "cupola sign." In a review of 100 patients with pneumoperitoneum, this sign was seen in 6 patients. In 3 instances it was the only manifestation of a pneumoperitoneum and in 3 instances it was seen in association with air below the right and left diaphragmatic leaves.