X-ray demonstrating retrocardiac lucency (arrow) from a type III paraesophageal hernia.

X-ray demonstrating retrocardiac lucency (arrow) from a type III paraesophageal hernia.

Context in source publication

Context 1
... main components of a diagnostic work-up and characterization of PEHs are a contrast swallow study and EGD. Chest X-rays may reveal a lucency in the retrocardiac space indicative of herniated stomach (see Figure 1) or pneumonia indicative of aspiration and these abnormalities are often the first clue to diagnosis. A chest X-ray alone, however, is not typically adequate in the work-up, as the differential diagnosis includes a mediastinal cyst, abscess, dilated/obstructed esophagus or other type of diaphragmatic hernia. ...

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