Chest and cardiac imaging: Morgagni hernia: practice question

A Radiology question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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Radiology · Chest and cardiac imaging: Morgagni hernia

Sample item

A middle-aged woman has an incidental right cardiophrenic angle opacity on a frontal film. The lateral view shows an anterior retrosternal mass containing gas-filled bowel and omental fat. What is the most likely diagnosis?

ABochdalek herniaBPericardial cystCHiatus herniaDMorgagni hernia

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

D. Morgagni hernia

A Morgagni hernia passes through the anteromedial retrosternal gap of the diaphragm, usually on the right, and carries omentum or colon into the anterior cardiophrenic region. Most are found incidentally in adults.

Option by option

A. Bochdalek hernia
A Bochdalek hernia is posterolateral, usually left, and presents mainly in neonates.
B. Pericardial cyst
A pericardial cyst is homogeneous water density in the same angle and contains no gas or fat.
C. Hiatus hernia
A hiatus hernia sits behind the heart in the posterior mediastinum, not anteriorly.
D. Morgagni hernia (correct)
Correct. The location is anterior and right-sided, and the mass contains omentum and bowel.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

Questions about this Radiology question

What is the answer to this Radiology question?

The best answer is D, Morgagni hernia. A Morgagni hernia passes through the anteromedial retrosternal gap of the diaphragm, usually on the right, and carries omentum or colon into the anterior cardiophrenic region.

Why is "Bochdalek hernia" not the answer?

A Bochdalek hernia is posterolateral, usually left, and presents mainly in neonates.

Why is "Pericardial cyst" not the answer?

A pericardial cyst is homogeneous water density in the same angle and contains no gas or fat.

Why is "Hiatus hernia" not the answer?

A hiatus hernia sits behind the heart in the posterior mediastinum, not anteriorly.

What concept does this question test?

It tests Chest and cardiac imaging: Morgagni hernia in Radiology. Most are found incidentally in adults.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Chest and cardiac imaging: Morgagni hernia?

Learn signs with the image, and the disease they point to. Then use the flashcards and the other Radiology questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.