A 44-year-old man requests evaluation of an irritated brown lesion on his left shoulder. Evaluation reveals a typical 5-mm “stuck on” seborrheic keratosis. He also has multiple lentigines of various sizes in a solar distribution over his upper back, shoulders, and upper chest. An asymmetric multicolored 4×8 mm lesion is present on his left anterior shoulder. It has a notched margin and stands out from the other lesions.
KeywordsActinic Keratosis Secondary Lesion Solar Exposure Oral Mucous Membrane Lesion Seborrheic Keratosis
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