Pathology · single question

Which feature of a melanocytic nevus is NOT concerning for malignancy?

  1. Darkening after sun exposure
  2. Asymmetry
  3. Irregular, notched borders
  4. Recent increase in diameter
Show answer and explanation

Correct answer: A. Darkening after sun exposure

  • A. Correct. Uniform darkening of a benign nevus with UV exposure is a normal melanocyte response. It is not one of the ABCDE warning criteria.
  • B. Asymmetry is the 'A' of the ABCDE criteria for melanoma.
  • C. Border irregularity is the 'B' of the ABCDE criteria.
  • D. Diameter change/evolution corresponds to 'D' and 'E' of the ABCDE criteria.

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