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April 2013

The Ink Test: Identifying 3-Dimensional Features of Seborrheic Keratoses Under Dermoscopy

Author Affiliations

Author Affiliations: Weill Cornell Medical College of Cornell University, New York, New York (Ms Yagerman); Dermatology Service, Memorial Sloan-Kettering Cancer Center, New York, New York (Drs Marghoob and Ms Yagerman).

JAMA Dermatol. 2013;149(4):497-498. doi:10.1001/jamadermatol.2013.2233

Correctly classifying a lesion under dermoscopy depends on the ability to categorize a lesion as either melanocytic or not.

A 71-year-old man presented to clinic with 2 lesions on sun-damaged skin that were suggestive under dermoscopy of melanocytic lesions. The first lesion appeared to have a globular pattern (Figure 1A). The second lesion seemed to have a network pattern (Figure 1C).

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