Hepatitis C virus: Virology, diagnosis and treatment 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 Clearance of hepatitis C virus is associated with early and potent but narrowly directed, Envelope specific antibodies Scientific Reports Pathology Outlines Melanosis coli Sequencing Assays for Failed Genotyping with the Versant Hepatitis C Virus Genotype Assay (LiPA), Version 2.0 Journal of Clinical Microbiology Melanosis Coli Gastroenterology & Hepatology of CNY