Question 179 · LDEK · Bullous diseases and lichen planus

In case of which oral mucosa disease Koebner’s phenomenon is considered pathognomic?

  1. A. pemphigus vulgaris.
  2. B. mucous membrane pemphigoid.
  3. C. cutaneous lupus erythematosus.
  4. D. Stevens-Johnson syndrome.
  5. E. oral lichen planus.
Hint

The isomorphic response means new lesions appear along lines of trauma — which listed disease is known for it?

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