Quantitative Analysis of Melanosis Coli Colonic Mucosa Using Textural Patterns Testicular Pain ICD 10 Documentation Guidelines Melanosis ilei associated with chronic ingestion of edible charcoal Gastrointestinal Endoscopy Pathology Outlines Melanosis coli 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