Labial melanotic macule (brown spot on lip) (Stony Brook Case 1) dermatology dermatopathology YouTube Pathology Outlines Melanoma This is a very rare case of metastatic oral mucosal melanoma to the colon with an unusual presentation mimicking melanosis coli. The colonoscopy findings show no mass effect but multiple hyperpigmented lesions Pathology Outlines Mucosal melanoma (genital, oral, sinonasal) Mucocutaneous Pigmented Lesions, Nevi and Melanoma (Chapter 4) Pediatric Head and Neck Pathology Labial or Oral Melanotic Macule Benign, asymptomatic, and often underdiagnosed. Swipe to learn how to recognize, diagnose, and manage this simple yet important lesion! #thebasicdentist #rguhs #kuhs #tnmgrmu #OralPathology #MelanoticMacule #DentalFacts