Pediatric radiology: 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 · Pediatric radiology: intussusception

Sample item

What ultrasound sign is classically seen in ileocolic intussusception?

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

The answer and the reasoning

A. Target or doughnut sign

On transverse ultrasound, concentric bowel layers in intussusception produce a target or doughnut sign. Ultrasound also helps assess complications and guide management.

Option by option

  • A. Target or doughnut sign (correct)

    Correct. Concentric telescoped bowel creates the target appearance.

  • B. Thumbprinting of the colon only

    Thumbprinting reflects colonic wall edema and is not the classic intussusception sign.

  • C. Snowstorm appearance

    Snowstorm appearance is used in other sonographic contexts.

  • D. Double-density skull sign

    A double-density skull sign is not an intussusception feature.

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, Target or doughnut sign. On transverse ultrasound, concentric bowel layers in intussusception produce a target or doughnut sign.

Why is "Thumbprinting of the colon only" not the answer?

Thumbprinting reflects colonic wall edema and is not the classic intussusception sign.

Why is "Snowstorm appearance" not the answer?

Snowstorm appearance is used in other sonographic contexts.

Why is "Double-density skull sign" not the answer?

A double-density skull sign is not an intussusception feature.

What concept does this question test?

It tests Pediatric radiology: intussusception in Radiology. Ultrasound also helps assess complications and guide management.

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 Pediatric radiology: 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.