Chest and cardiac imaging: Ranke complex: 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 · Chest and cardiac imaging: Ranke complex

Sample item

A 4-year-old child, a household contact of a patient with sputum-positive tuberculosis, has a small peripheral parenchymal opacity in the right mid-zone together with enlarged right hilar nodes on chest film. What is this combination called?

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

The answer and the reasoning

A. Ranke complex

The Ghon focus is the primary parenchymal lesion, and with enlarged draining hilar nodes it forms the Ranke complex of primary tuberculosis. Simon foci are apical haematogenous seeds in the lung, and Assmann focus is early reactivation infiltrate in the infraclavicular area.

Option by option

  • A. Ranke complex (correct)

    Correct. Ghon focus plus nodal disease is the Ranke complex.

  • B. Fleischner complex

    Fleischner complex is not a recognised term for primary tuberculosis.

  • C. Assmann focus

    Assmann focus refers to post-primary infraclavicular infiltrate.

  • D. Simon focus

    Simon foci are apical seedings after haematogenous spread.

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, Ranke complex. The Ghon focus is the primary parenchymal lesion, and with enlarged draining hilar nodes it forms the Ranke complex of primary tuberculosis.

Why is "Fleischner complex" not the answer?

Fleischner complex is not a recognised term for primary tuberculosis.

Why is "Assmann focus" not the answer?

Assmann focus refers to post-primary infraclavicular infiltrate.

Why is "Simon focus" not the answer?

Simon foci are apical seedings after haematogenous spread.

What concept does this question test?

It tests Chest and cardiac imaging: Ranke complex in Radiology. Simon foci are apical haematogenous seeds in the lung, and Assmann focus is early reactivation infiltrate in the infraclavicular area.

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 Chest and cardiac imaging: Ranke complex?

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.