melanotic macule nail unit Figure 1 from Clinicopathologic features of 28 cases of matrix nevi (NMNs) in Asians: Comparison between children and adults Digital dermoscopy follow‐up for acquired
Digital dermoscopy followup for acquired longitudinal melanonychia Moscarella 2025 Journal of the European Academy of Dermatology and Venereology Wiley Online Library Melanonychia Jefferson 2012 Dermatology Research and Practice Wiley Online Library 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 Scattered atypical melanocytes with hyperchromatic nuclei in the nail matrix: diagnostic clue for early subungual melanoma in situ Park 2016 Journal of Cutaneous Pathology Wiley Online Library Nail Apparatus Melanoma: Current Management and Future Perspectives PMC
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