Chilaiditi sign

Case contributed by Mohammad Taghi Niknejad
Diagnosis certain

Presentation

Know case of gastric cardia cancer.

Patient Data

Age: 75 years
Gender: Male
x-ray

There is interposition of the gas-filled large bowel loop between the right hemidiaphragm and liver.

In addition, distal esophageal covered stent traversing the gastroesophageal junction. The structure of the stent and position is well delineated.

Case Discussion

Interposition of the bowel, usually colon, between the inferior surface of the right hemidiaphragm and the superior surface of the liver known as Chilaiditi sign. It may be misinterpreted as a true pneumoperitoneum resulting in unnecessary further investigations and/or therapy (so-called pseudopneumoperitoneum). The presence of pain associated with and attributed to the sign is termed Chilaiditi syndrome.

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