Pathology Outlines Atypical melanocytic proliferation Pathology Outlines Nevus spilus Pathology Outlines Atypical melanocytic proliferation Lentigo simplex Libre Pathology Pathology Outlines Melanotic macule 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