Pathology · single question

Which premalignant lesion is the MOST COMMON?

  1. Erythroplakia
  2. Leukoplakia
  3. Angular cheilitis
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Correct answer: B. Leukoplakia

  • A. Incorrect. Erythroplakia has the HIGHEST malignant transformation rate but is much LESS common.
  • B. Correct. Leukoplakia is the most common potentially malignant oral lesion (a white patch that cannot be rubbed off or attributed to another disease).
  • C. Incorrect. Angular cheilitis is an inflammatory/infectious condition, not a premalignant lesion.

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