labial melanotic macule histopathology 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 Lentigo pathology
Lentigo pathology Focal melanocytic lesions of the oral mucosa: An epidemiological and morphological study Santana 2023 Oral Diseases Wiley Online Library Labial melanotic macule (brown spot on lip) (Stony Brook Case 1) dermatology dermatopathology YouTube PDF) Oral melanoacanthoma and oral melanotic macule: A report of 8 cases, review of the literature, and immunohistochemical analysis Mystery behind labial and oral melanotic macules: Clinical, dermoscopic and pathological aspects of Laugier Hunziker syndrome PMC Pathology Outlines Melanotic macule
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