Viral infections: Gianotti-Crosti syndrome: practice question

A Dermatology 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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Dermatology · Viral infections: Gianotti-Crosti syndrome

Sample item

A child has symmetric, monomorphic, skin-coloured papules over the cheeks, buttocks and extensor limbs, sparing the trunk. With which virus was this condition first described?

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

The answer and the reasoning

C. Hepatitis B virus

Gianotti-Crosti syndrome, or papular acrodermatitis, was first described with hepatitis B infection. It is self-limited over weeks and can be triggered by other viruses such as EBV.

Option by option

  • A. Human papillomavirus

    HPV causes warts.

  • B. Rubella virus

    Rubella causes a generalised macular rash instead.

  • C. Hepatitis B virus (correct)

    Correct. Hepatitis B was the original association.

  • D. Hepatitis C virus

    Hepatitis C is not the classic association.

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.

More Dermatology questions

Questions about this Dermatology question

What is the answer to this Dermatology question?

The best answer is C, Hepatitis B virus. Gianotti-Crosti syndrome, or papular acrodermatitis, was first described with hepatitis B infection.

Why is "Human papillomavirus" not the answer?

HPV causes warts.

Why is "Rubella virus" not the answer?

Rubella causes a generalised macular rash instead.

Why is "Hepatitis C virus" not the answer?

Hepatitis C is not the classic association.

What concept does this question test?

It tests Viral infections: Gianotti-Crosti syndrome in Dermatology. It is self-limited over weeks and can be triggered by other viruses such as EBV.

How hard is this question?

We tag it as a multi-step question: it asks you to combine more than one idea. 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 Viral infections: Gianotti-Crosti syndrome?

Learn each condition by its primary lesion, site and signature sign. Then use the flashcards and the other Dermatology 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.