Liver imaging: amoebic liver abscess: 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 · Liver imaging: amoebic liver abscess

Sample item

Ultrasound of a patient with fever and right upper quadrant pain shows a solitary, round, hypoechoic lesion with no significant wall echoes in the posterior segment of the right lobe near the capsule. What is the likely diagnosis?

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

The answer and the reasoning

D. Amoebic liver abscess

Amoebic abscesses are typically solitary, in the right lobe near the capsule, round, with low-level internal echoes and a poorly defined wall. Pyogenic abscesses are often multiple and have thicker walls with debris. Treatment is metronidazole, with aspiration if not responding or at risk of rupture.

Option by option

  • A. Haemangioma

    A haemangioma is hyperechoic.

  • B. Hydatid cyst

    A hydatid cyst shows a double wall or daughter cysts.

  • C. Hepatocellular carcinoma

    HCC occurs in cirrhosis and is usually solid.

  • D. Amoebic liver abscess (correct)

    Correct. A solitary peripheral right lobe hypoechoic lesion is characteristic of an amoebic abscess.

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, Amoebic liver abscess. Amoebic abscesses are typically solitary, in the right lobe near the capsule, round, with low-level internal echoes and a poorly defined wall.

Why is "Haemangioma" not the answer?

A haemangioma is hyperechoic.

Why is "Hydatid cyst" not the answer?

A hydatid cyst shows a double wall or daughter cysts.

Why is "Hepatocellular carcinoma" not the answer?

HCC occurs in cirrhosis and is usually solid.

What concept does this question test?

It tests Liver imaging: amoebic liver abscess in Radiology. Pyogenic abscesses are often multiple and have thicker walls with debris. Treatment is metronidazole, with aspiration if not responding or at risk of rupture.

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 Liver imaging: amoebic liver abscess?

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.