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Melanoma — MCCQE Part 1 MCQ

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ModerateSkin LesionsMelanomaMCCQE Part 1

A 52-year-old man has an enlarging pigmented lesion with asymmetry, irregular border, colour variation and diameter of 9 mm. It has recently bled. Which of the following is the most appropriate next step?

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Correct answer: B — Excisional biopsy with narrow margins where feasible

ABCDE features and bleeding raise concern for melanoma; excisional biopsy allows Breslow depth assessment. Cryotherapy or superficial cosmetic removal destroys diagnostic tissue. Prompt diagnosis is essential because Breslow depth drives staging and management.

Reference: Canadian Dermatology Association melanoma guidance; provincial cancer pathways