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Air in gallbladder: a frequent finding in gallstone ileus
AJR. American Journal of Roentgenology
|August 1, 1978
Summary
Radiographic findings can help diagnose gallstone ileus. Air in the biliary tract or a specific air-fluid level pattern in the upper right quadrant suggests this condition, aiding prompt diagnosis.
Area of Science:
- Radiology
- Gastroenterology
- Abdominal Imaging
Background:
- Gallstone ileus is a rare complication of gallstones.
- Diagnosis can be challenging, often requiring advanced imaging.
Purpose of the Study:
- To identify key radiographic signs of gallstone ileus on plain films.
- To correlate imaging findings with proven cases.
Main Methods:
- Retrospective review of 16 proven gallstone ileus cases.
- Analysis of plain film radiographic findings.
Main Results:
- Air in biliary radicles observed in 5 cases.
- Air exclusively in gallbladder and duodenum seen in 4 cases.
- Distinctive radiographic sign: two adjacent air-fluid levels in the right upper quadrant (duodenal cap and gallbladder).
Conclusions:
- Specific radiographic patterns, including air in the biliary system and the described air-fluid levels, are indicative of gallstone ileus.
- Recognition of these findings facilitates prompt preoperative diagnosis.