Quantitative Analysis of Melanosis Coli Colonic Mucosa Using Textural Patterns 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 Current advances in Hepatitis C diagnostics Journal of Biological Engineering Springer Nature Link A rare case of melanosis ilei of unclear etiology ScienceDirect