Question 3

A 70-year-old woman goes to her physician for a routine check-up. On physical examination she has the lesions seen here over her face and upper chest. She reports that these lesions have become larger and more numerous for about 10 years. On microscopic examination of one of these lesions, which of the following findings is most likely to be present?

	A)	Atypical cells containing melanin pigment
	B)	Marked acute and chronic inflammation with abscess formation
	C)	Mast cell proliferation in the dermis
	D)	Small, dark blue cells resembling the basal layer of epidermis
	E)	Thickened squamous epithelium with keratin-filled cysts
	F)	Vesicle formation with acantholysis and multinucleated cells