perianal melanotic macule 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 Anorectal melanoma – histopathological and

Anorectal melanoma histopathological and immunohistochemical features and treatment ScienceDirect The treatment of perianal skin horseshoe melanoma by advancement flap (Y V shaped) and the assessment of outcome over a long term follow up European Journal of Plastic Surgery Springer Nature Link Labial Lentigo (labial melanotic macule) Cancer Therapy Advisor Oral pathology: Noting a pigmented macule that often presents a diagnostic dilemma Registered Dental Hygienists

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