A 48-year-old woman went to her dermatologist with concerns about a single skin lesion on her face. The lesion was an irregular, umbilicated black papule. She spent a lot of time outside in her job as a postal worker with a walking route, so she checked regularly for unusual blemishes.
Is it a blue nevus? Pigmented basal cell carcinoma? Actinic keratosis? Or a melanocytic nevus?
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