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Dermatology clinic

A red nodule of recent onset

Steven Kossard

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Abstract

A woman has recently noticed an asymptomatic firm, red nodule in the mottled sun-damaged skin of her forearm. What is this lesion?

Article Extract

A 79-year-old woman with extensive mottled sun-damaged skin had a prior history of multiple skin cancers. She noticed the recent appearance of an asymptomatic firm, red nodule (measuring 0.8 cm in diameter) on her forearm (Figure 1). Excision biopsy showed a normal epidermis under which there were sheets of atypical large cells with focally vacuolated cytoplasm and increased mitoses (Figure 2). Some of the cells were multinucleate.

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