A 46-Year-Old Guy Arrives at the Office with the Skin

A 46-year-old guy arrives at the office with the skin lesions seen in the photo below. After returning from a trip to Hawaii, the patient observed the lesions for the first time a week ago. He has no additional severe rashes or skin abnormalities, although he does have autoimmune thyroiditis. Which of the following would most likely be seen on histopathologic examination of this patient's lesions?

A) Absence of melanocytes in the epidermis
B) Linear pattern of melanocyte proliferation
C) Melanosome aggregates within the cytoplasm of melanocytes
D) Normal melanocytes with diminished pigment transfer to keratinocytes
E) Poor melanin formation in melanocytes

Correct Answer:

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