Case 1

A 42-year-old white man presents for his annual skin check with complaints of a waxy, brown papule on his back. He reports that he scratched it off on several occasions recently, but it returned each time. He states that the lesion is a nuisance, but it does not itch, bleed, or cause pain. He recalls that his mother has several of the same lesions on her back. On examination, you notice 2 similar lesions on his chest and above his clavicle.

Can you diagnose the condition in Case 1?

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A. Lentigo
B. Actinic keratoses
C. Seborrheic keratosis
D. Melanoma

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