Obstetric imaging: non-immune hydrops: 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 · Obstetric imaging: non-immune hydrops

Sample item

A fetal ultrasound shows skin oedema, ascites and pleural effusion in a fetus whose mother is Rh positive with no antibodies. What is this called?

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

The answer and the reasoning

A. Non-immune hydrops fetalis

Hydrops is the accumulation of fluid in two or more fetal compartments and non-immune causes include cardiac anomalies, infections such as parvovirus, chromosomal abnormalities and anaemia. Immune hydrops results from maternal alloantibodies.

Option by option

  • A. Non-immune hydrops fetalis (correct)

    Correct. Fluid collections in the absence of alloantibodies are non-immune hydrops.

  • B. Immune hydrops

    Immune hydrops requires red cell antibodies.

  • C. Normal finding

    Multiple fluid compartments are never normal.

  • D. Gastroschisis

    Gastroschisis is an abdominal wall defect.

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.

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Questions about this Radiology question

What is the answer to this Radiology question?

The best answer is A, Non-immune hydrops fetalis. Hydrops is the accumulation of fluid in two or more fetal compartments and non-immune causes include cardiac anomalies, infections such as parvovirus, chromosomal abnormalities and anaemia.

Why is "Immune hydrops" not the answer?

Immune hydrops requires red cell antibodies.

Why is "Normal finding" not the answer?

Multiple fluid compartments are never normal.

Why is "Gastroschisis" not the answer?

Gastroschisis is an abdominal wall defect.

What concept does this question test?

It tests Obstetric imaging: non-immune hydrops in Radiology. Immune hydrops results from maternal alloantibodies.

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 Obstetric imaging: non-immune hydrops?

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.