Enlarging back and shoulder lesions

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Enlarging back and shoulder lesions
Enlarging back and shoulder lesions



CASE #1

A 55-year-old Caucasian man presented with a two-month history of a quickly enlarging mass on his upper back. The patient had no personal or family history of skin cancer. He reported no bleeding or pain associated with the growth but did report some mild pruritus. Examination revealed a 4  3 cm irregularly contoured, pink tumor. A fine rim of hyperpigmentation was appreciated at the base of the lesion along with faint flecks of brown pigmentation within the tumor. No ulceration was appreciated.

CASE #2

A 62-year-old Caucasian man with history of actinic keratosis (previously treated with cryotherapy) presented with a slowly enlarging lesion on his left shoulder. The patient reported no history of skin cancer but noted an extensive history of sun exposure, especially as a child. On examination, the patient was fair in complexion with significant actinic damage. A 1-cm pink, pearly papule with central telangiectasia was located on his left shoulder. A full body skin exam was performed with no other lesions suspicious for malignancy.

What is the diagnosis?

For CASE #1, click "NEXT." For CASE #2, click "3."

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