melanotic macule nail Melanonychia What Is Melanonychia? What Causes
What Is Melanonychia? What Causes It and How It's Treated 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: when should we worry? This dark stripe in the nail is called melanonychia essentially pigment in the nail bed. You can think of it like a mole of the nail. Figure 4 from Pigmented lesions of the nail bed Clinical assessment and biopsy. Semantic Scholar Pigmented Nail Disorders Basicmedical Key
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