melanotic macule increased melanocytes Oral melanoacanthoma and oral macule: a report of 8 cases, review of the literature, and immunohistochemical analysis Pathology Outlines - Melanotic macule

Pathology Outlines Melanotic macule Morphology of melanocytic lesions in situ Scientific Reports Smoker's Melanosis Benign oral mucosal pigmentation seen in smokers Due to increased melanin production, not melanocyte number Clinical Diffuse brown macules patches Usually flat, irregular Most common Melanotic 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 Labial melanotic macule Pigmented lesions of the oral cavity: An Update PMC

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