Biliary imaging: ERCP: 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 · Biliary imaging: ERCP

Sample item

A patient with ascending cholangitis has a dilated common bile duct with a stone on MRCP. Which procedure both confirms and treats the problem?

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

The answer and the reasoning

B. ERCP with sphincterotomy and stone extraction

ERCP is invasive but permits therapeutic stone removal, stent insertion and drainage during the same procedure. MRCP is purely diagnostic.

Option by option

  • A. Hepatobiliary scintigraphy

    Scintigraphy shows bile flow but does not treat.

  • B. ERCP with sphincterotomy and stone extraction (correct)

    Correct. ERCP can drain and clear the duct.

  • C. Repeat MRCP

    Repeat MRCP gives no treatment.

  • D. Plain radiograph

    A plain film cannot show a bile duct stone reliably.

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 B, ERCP with sphincterotomy and stone extraction. ERCP is invasive but permits therapeutic stone removal, stent insertion and drainage during the same procedure.

Why is "Hepatobiliary scintigraphy" not the answer?

Scintigraphy shows bile flow but does not treat.

Why is "Repeat MRCP" not the answer?

Repeat MRCP gives no treatment.

Why is "Plain radiograph" not the answer?

A plain film cannot show a bile duct stone reliably.

What concept does this question test?

It tests Biliary imaging: ERCP in Radiology. MRCP is purely diagnostic.

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 Biliary imaging: ERCP?

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.