Melanosis coli: a contrast effect or an oncogenic effect? A large scale retrospective cohort study International Journal of Colorectal Disease Springer Nature Link Understanding Melanosis Eye: Symptoms, Causes, and Treatments Northwest Eye Melanoma Skin Cancer Riehl Melanosis MD Searchlight This lovely patient was thrilled with her beautiful result after laser treatment of oral melanotic macules. I share this case to educate: laser treatment requires accurate diagnosis, an understanding