Vascular disorders: IgA vasculitis: 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 · Vascular disorders: IgA vasculitis

Sample item

A 7-year-old has palpable purpura on the legs and buttocks, abdominal pain, arthralgia and haematuria after an upper respiratory infection. What is the diagnosis?

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

The answer and the reasoning

A. Henoch-Schonlein purpura (IgA vasculitis)

IgA vasculitis is a small vessel leukocytoclastic vasculitis with IgA immune complex deposition. Platelet counts are normal, and renal involvement determines prognosis.

Option by option

  • A. Henoch-Schonlein purpura (IgA vasculitis) (correct)

    Correct. Palpable purpura with abdominal and renal features is IgA vasculitis.

  • B. Kawasaki disease

    Kawasaki disease causes prolonged fever and mucocutaneous signs.

  • C. Meningococcaemia

    Meningococcaemia presents with toxic illness and necrotic purpura.

  • D. Idiopathic thrombocytopenic purpura

    ITP has low platelets and nonpalpable purpura.

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 Dermatology question

What is the answer to this Dermatology question?

The best answer is A, Henoch-Schonlein purpura (IgA vasculitis). IgA vasculitis is a small vessel leukocytoclastic vasculitis with IgA immune complex deposition.

Why is "Kawasaki disease" not the answer?

Kawasaki disease causes prolonged fever and mucocutaneous signs.

Why is "Meningococcaemia" not the answer?

Meningococcaemia presents with toxic illness and necrotic purpura.

Why is "Idiopathic thrombocytopenic purpura" not the answer?

ITP has low platelets and nonpalpable purpura.

What concept does this question test?

It tests Vascular disorders: IgA vasculitis in Dermatology. Platelet counts are normal, and renal involvement determines prognosis.

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 Vascular disorders: IgA vasculitis?

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.