Use and interpretation of virological tests for hepatitis C Clearance of hepatitis C virus is associated with early and potent but narrowly directed, Envelope specific antibodies Scientific Reports 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 Melanosis Coli) Cathartic Colon Pathology Outlines Melanosis coli