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Review Question - QID 214618

In scope icon M 1 A
QID 214618 (Type "214618" in App Search)
A 23-year-old woman presents to the office with a "bump" on her ear. She first noticed the lesion 3 months ago shortly after getting her ear pierced and says it has continued to grow in size. The lesion occasionally itches, but she denies pain and any hearing changes. On exam, the lesion is firm, immobile and shown in Figure A. Which of the following is most likely involved in the pathogenesis of this lesion?
  • A
  • A