Case: Abdomen radiograph #5784330
Abdomen Beginner
Read this radiograph systematically before revealing the answer. What is the main abnormality?

Tip: scroll or pinch to zoom, drag to pan, and try Invert.
Answer: Pneumoperitoneum (free intraperitoneal gas)
What to look for in pneumoperitoneum (free intraperitoneal gas)
- Lucent crescent beneath the hemidiaphragm(s).
Description by the image author (may be in another language): a classic for your consideration
Educational case. The diagnosis comes from the image's documented source; the "what to look for" list describes the condition in general and is not a report of this individual image.





