Abdominal and GI imaging: grading reflux on cystourethrogram: 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 · Abdominal and GI imaging: grading reflux on cystourethrogram

Sample item

During a micturating cystourethrogram in a child, contrast refluxes up the ureter into the renal pelvis and calyces without any dilatation. Which grade of vesicoureteric reflux does this represent?

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

The answer and the reasoning

D. Grade II

In the international grading, grade I reaches only the ureter, grade II reaches the pelvis and calyces without dilatation, and grade III shows mild to moderate dilatation. Grades IV and V show progressive dilatation, tortuosity and loss of papillary impressions.

Option by option

  • A. Grade I

    Grade I stops in the ureter.

  • B. Grade V

    Grade V has gross dilatation with loss of papillary detail.

  • C. Grade IV

    Grade IV has moderate dilatation and ureteric tortuosity.

  • D. Grade II (correct)

    Correct. Reflux to the pelvis and calyces without dilatation is grade II.

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 D, Grade II. In the international grading, grade I reaches only the ureter, grade II reaches the pelvis and calyces without dilatation, and grade III shows mild to moderate dilatation.

Why is "Grade I" not the answer?

Grade I stops in the ureter.

Why is "Grade V" not the answer?

Grade V has gross dilatation with loss of papillary detail.

Why is "Grade IV" not the answer?

Grade IV has moderate dilatation and ureteric tortuosity.

What concept does this question test?

It tests Abdominal and GI imaging: grading reflux on cystourethrogram in Radiology. Grades IV and V show progressive dilatation, tortuosity and loss of papillary impressions.

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 Abdominal and GI imaging: grading reflux on cystourethrogram?

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.