New Lesion On Right in Surgery — 52yo Woman | General Surgery | SMLE Q#18206

SMLE Question #18206

Surgery General Surgery

Objective: OBJ-TRACH-EMERG-01

Last updated: February 2026
A 52-year-old woman presents with a new lesion on the right forearm that has slowly enlarged over 3 months and is painless. She sustained a deep thermal burn at the same site 20 years ago that healed with a stable scar. Examination shows a firm, raised pink papule arising within the scar with mild induration at the base and no surrounding erythema; no other lesions are seen. What is the most likely diagnosis?

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