Metastatic melanoma Stock Image C056 0518 Science Photo Library Amelanotic Malignant Melanoma: A Case Report Cureus 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 Intracranial Metastatic Melanoma Pathology Outlines Metastatic melanoma Frontiers Gastric and colonic metastases of malignant melanoma diagnosed during endoscopic evaluation of symptomatic anemia presenting as angina: a case report