Scarring in Surgery — 45yo Man | General Surgery | SMLE Q#17290
SMLE Question #17290
Surgery
General Surgery
Objective: OBJ-TRACH-EMERG-01
Last updated: February 2026
A 45-year-old man has a slowly enlarging reddish-pink plaque on the right lower leg at the site of a deep burn from 20 years ago that healed with scarring. Over the past year, the area has become thicker with irregular raised borders and intermittent superficial ulceration. Examination shows a firm, erythematous, irregular plaque arising within the old burn scar. Which of the following best explains this lesion?
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