oral melanotic macule lip 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 Black and Brown: Non-neoplastic Pigmentation
Black and Brown: Non neoplastic Pigmentation of the Oral Mucosa PMC Labial Melanotic Macule On Lip Mystery behind labial and oral melanotic macules: Clinical, dermoscopic and pathological aspects of Laugier Hunziker syndrome A pigmented macule (<1 cm) on the lower lip, flat, well defined, and stable in color for years, is most likely: @Dental_exam A Oral melanotic macule B B Amalgam tattoo Melanoma D KAM Labial melanotic macule (brown spot on lip) (Stony Brook Case 1) dermatology dermatopathology
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