Skin tumours: blue rubber bleb naevus 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 · Skin tumours: blue rubber bleb naevus syndrome

Sample item

A young adult has multiple soft, compressible blue nodules on the skin with a nipple-like appearance, along with iron deficiency anaemia and episodes of melaena. Which complication needs to be looked for?

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

The answer and the reasoning

B. Venous malformations of the gastrointestinal tract

Blue rubber bleb naevus syndrome consists of multiple venous malformations of the skin and gut, from TEK mutations. Chronic gastrointestinal bleeding with iron deficiency anaemia is the usual systemic problem.

Option by option

  • A. Pulmonary arteriovenous fistulae

    Pulmonary arteriovenous fistulae are characteristic of hereditary haemorrhagic telangiectasia.

  • B. Venous malformations of the gastrointestinal tract (correct)

    Correct. Gastrointestinal venous malformations cause chronic bleeding in this syndrome.

  • C. Renal angiomyolipoma

    Renal angiomyolipoma is found in tuberous sclerosis.

  • D. Intracranial aneurysm

    Intracranial aneurysm is not the typical problem in this condition.

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 B, Venous malformations of the gastrointestinal tract. Blue rubber bleb naevus syndrome consists of multiple venous malformations of the skin and gut, from TEK mutations.

Why is "Pulmonary arteriovenous fistulae" not the answer?

Pulmonary arteriovenous fistulae are characteristic of hereditary haemorrhagic telangiectasia.

Why is "Renal angiomyolipoma" not the answer?

Renal angiomyolipoma is found in tuberous sclerosis.

Why is "Intracranial aneurysm" not the answer?

Intracranial aneurysm is not the typical problem in this condition.

What concept does this question test?

It tests Skin tumours: blue rubber bleb naevus syndrome in Dermatology. Chronic gastrointestinal bleeding with iron deficiency anaemia is the usual systemic problem.

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 Skin tumours: blue rubber bleb naevus 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.