melanotic macule nail unit Figure 1 from Clinicopathologic features of 28 cases of matrix nevi (NMNs) in Asians: Comparison between children and adults Nail Unit Melanoma | Springer
Nail Unit Melanoma Springer Nature Link Subungual Melanocytic Lesions: Key Clinical and Pathologic Concepts and Biopsy Techniques ScienceDirect Polydactylous longitudinal melanonychia is usually benign and can originate from local or systemic causes, including medication intake; monodactylous longitudinal melanonychia may be a sign of melanoma. Authors review the current literature to Melanonychia Jefferson 2012 Dermatology Research and Practice Wiley Online Library
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