Extension Without Malignant Changes in Oral Melanotic Macule: A Report of Two Cases and Review of the Literature 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 Melanotic macule Extension Without Malignant Changes in Oral Melanotic Macule: A Report of Two Cases and Review of the Literature Pathology Outlines Pigmented epithelioid melanocytoma Can a black pigmented lesion of the oral cavity predict future development of melanoma Report of a case and review of literat