melanotic macule of matrix macule. Benign. Dark spot on labia (or lip). Analogous to lentigo simplex. Hyperpigmented basal keratinocytes & dermal melanophages. Slight ⬆️ in single basal melanocytes; NO nests. More info like this in Dermoscopy of a nail matrix
Dermoscopy of a nail matrix nevus in a 5 year old child. Brown Download Scientific Diagram melanotic macule of matrix Subungual Melanocytic Lesions: Key Clinical and Pathologic Concepts and Biopsy Techniques Nail matrix nevi Courtesy of Figure 2 from Clinicopathologic features of 28 cases of nail matrix nevi (NMNs) in Asians: Comparison between children and adults Semantic Scholar Melanonychia Jefferson 2012 Dermatology Research and Practice Wiley Online Library Congenital Melanotic Macule of the Tongue: Report of Two Cases and Literature Review Head and Neck Pathology Springer Nature Link Pathology Outlines Melanotic macule
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