Pigmented Lesions and Melanoma Plastic Surgery KeyPlastic Surgery Key Despite the name "melanosis," the pigment isn't melanin. The Pigment: It is actually lipofuscin, a "wear and tear" pigment. The Process: Anthraquinone laxatives cause apoptosis (cell death) of the colonic epithelial cells. 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 How Can You Tell if It's Melanoma or Just a Mole? Melanocytic nevi and melanoma: unraveling a complex relationship Oncogene Melanocytic Nevus: What Is It, Causes, Signs and Symptoms, and More Osmosis