Bullous Diseases · Pathology

Which of the following conditions presents with 'Nikolsky sign' positivity?

  1. Bullous pemphigoid
  2. Pemphigus vulgaris
  3. Dermatitis herpetiformis
  4. Epidermolysis bullosa acquisita
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Correct answer: Pemphigus vulgaris

The Nikolsky sign is positive when slight pressure on the skin causes the epidermis to slide off. This is typical for Pemphigus Vulgaris due to the fragile nature of the intraepidermal acantholysis.

Difficulty: Medium Question 18 of 20

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