Biopsy Proven Melanosis Coli Initially Diagnosed As Candidiasis on Colonoscopy: A Report of Two Cases From North Central Nigeria Cureus 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 Use and interpretation of virological tests for hepatitis C