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. 2018 Jun 20;154(8):890–896. doi: 10.1001/jamadermatol.2018.1372

Figure 2. Dermoscopic and Clinical Manifestations of Subungual Melanoma In Situ and Benign Longitudinal Melanonychia.

Figure 2.

A, Subungual melanoma in situ showing a 10-mm band with asymmetry, border fading, and multicolor pigmentation (dark and light brown). Inset, Clinical appearance of the involved nail. B, Benign longitudinal melanonychia showing a light brown band with a width of less than 2 mm on dermoscopic examination. Inset, Clinical appearance of the involved nail. Scale units are in millimeters.