Abdominal imaging: intussusception: 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 imaging: intussusception

Sample item

On ultrasound, multiple concentric bowel rings are seen in transverse section in a child with intermittent colicky pain. What sign is this?

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

The answer and the reasoning

C. Target sign of intussusception

Telescoped bowel produces concentric layers on transverse ultrasound, creating the target or doughnut sign of intussusception. Ultrasound can also assess free fluid and reduction success.

Option by option

  • A. String sign of Crohn disease

    String sign refers to narrowed terminal ileum in Crohn disease.

  • B. Double-bubble sign

    Double bubble is associated with duodenal obstruction.

  • C. Target sign of intussusception (correct)

    Correct. Concentric rings are the intussusception target sign.

  • D. Snowstorm appearance

    Snowstorm is used in other sonographic contexts.

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, Target sign of intussusception. Telescoped bowel produces concentric layers on transverse ultrasound, creating the target or doughnut sign of intussusception.

Why is "String sign of Crohn disease" not the answer?

String sign refers to narrowed terminal ileum in Crohn disease.

Why is "Double-bubble sign" not the answer?

Double bubble is associated with duodenal obstruction.

Why is "Snowstorm appearance" not the answer?

Snowstorm is used in other sonographic contexts.

What concept does this question test?

It tests Abdominal imaging: intussusception in Radiology. Ultrasound can also assess free fluid and reduction success.

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 imaging: intussusception?

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.