Paediatric imaging: vesicoureteric reflux: 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 · Paediatric imaging: vesicoureteric reflux

Sample item

A child with recurrent urinary tract infections needs assessment for reflux. Which study demonstrates reflux and grades it?

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

The answer and the reasoning

C. Micturating cystourethrogram

MCUG shows retrograde filling of the ureters during voiding and is graded I to V by the extent of reflux and dilatation. It also demonstrates posterior urethral valves in boys. Indirect radionuclide cystography gives less radiation but less anatomical detail.

Option by option

  • A. Plain abdominal radiograph

    A plain film does not show the urinary tract in detail.

  • B. CT angiography

    CT angiography is not used for reflux.

  • C. Micturating cystourethrogram (correct)

    Correct. MCUG shows and grades VUR.

  • D. Intravenous urogram

    An IVU does not show reflux in a dynamic manner.

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 C, Micturating cystourethrogram. MCUG shows retrograde filling of the ureters during voiding and is graded I to V by the extent of reflux and dilatation.

Why is "Plain abdominal radiograph" not the answer?

A plain film does not show the urinary tract in detail.

Why is "CT angiography" not the answer?

CT angiography is not used for reflux.

Why is "Intravenous urogram" not the answer?

An IVU does not show reflux in a dynamic manner.

What concept does this question test?

It tests Paediatric imaging: vesicoureteric reflux in Radiology. It also demonstrates posterior urethral valves in boys. Indirect radionuclide cystography gives less radiation but less anatomical detail.

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 Paediatric imaging: vesicoureteric reflux?

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.