Pathology · single question

A patient has a white lesion on the lateral tongue and another on the soft palate. All of the following are reasonable differentials EXCEPT:

  1. Pleomorphic adenoma
  2. Leukoplakia
  3. Candidiasis
  4. Lichen planus
Show answer and explanation

Correct answer: A. Pleomorphic adenoma

  • A. Correct (the EXCEPTION). A pleomorphic adenoma is a submucosal salivary mass, not a white surface lesion.
  • B. Incorrect. Leukoplakia is a non-wipeable white plaque — a valid differential.
  • C. Incorrect. Candidiasis can produce white plaques on the tongue and palate.
  • D. Incorrect. Lichen planus produces white striae/plaques on oral mucosa.

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