Question 72 · LDEK · Bullous diseases and lichen planus

What is a primary lesion in erosive oral lichen planus:

  1. A. papule.
  2. B. vesicle.
  3. C. macule.
  4. D. ulcer.
  5. E. bulla.
Hint

Erosions are secondary; ask what basic efflorescence forms the white striae seen around them.

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