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Case of the Week 463


What is the most likely diagnosis?

  • 56 year-old with abdominal pain



Frontal Chest Radiograph

  1. Free-air in the abdomen
  2. Subphrenic abscess
  3. Subpulmonic effusion
  4. Situs inversus with dextrocardia
  5. Colonic interposition

Additional Image - Close-up

 

Additional Images

 

Close-up


Answer:

 

5.Colonic Interposition between Diaphragm and Liver (Chilaiditi's Syndrome)

 

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Colonic Interposition between Diaphragm and Liver (Chilaiditi's Syndrome)

General Considerations

  • Pronounced “Ky-La-Ditty”
  • Refers to the usually asymptomatic interposition of the bowel (usually hepatic flexure of the colon) between the liver and the (right) hemidiaphragm
  • Seen in 0.1-0.25% of chest x-rays
  • Most frequently an incidental finding 

 

MORE . . .

 


.

This Week

56 year-old with abdominal pain
 
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Some of the fundamentals of interpreting chest images
 
The top diagnostic imaging diagnoses that all medical students should recognize according to the Alliance of Medical Student Educators in Radiology
 
Recognizing normal and  key abnormal intestinal gas patterns, free air and abdominal calcifications
 
Recognizing the parameters that define a good chest x-ray; avoiding common pitfalls
 
How to recognize the most common arthritides


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LearningRadiology.com
is an award-winning educational website aimed primarily at medical students and radiology residents-in-training, containing  lectures, handouts, images, Cases of the Week, archives of cases, quizzes, flashcards of differential diagnoses and “most commons” lists, primarily in the areas of chest, GI, GU cardiac, bone and neuroradiology.