Question 143 · LDEK · Bullous diseases and lichen planus

Kobner’s sign is typical of:

  1. A. leukoplakia.
  2. B. recurrent aphthous stomatitis.
  3. C. pemphigoid.
  4. D. lichen planus.
  5. E. multiform exudative erythema.
Hint

Look for the disease in which typical lesions appear at sites of mechanical trauma, e.g. along the occlusal line.

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