Phrenic ampulla

Case contributed by Matt A. Morgan
Diagnosis certain


Nonspecific abdominal pain. No history of reflux or esophageal pathology.

Patient Data

Age: 50-60 years
Gender: Male

Single and double contrast


Single and double contrast views of the normal phrenic ampulla (esophageal vestibule).

There are a few gas bubbles in the distal esophagus in the double contrast view.

Annotated image

Annotated images of the normal phrenic ampulla or esophageal vestibule:

  • A: A-ring
  • B: B-ring
  • bracket: the phrenic ampulla

Case Discussion

The phrenic ampulla is bordered by the A-ring and B-ring of the distal esophagus. It is a normal finding that is more prominent in some patients than in others.

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