Amelanotic Malignant Melanoma: A Case Report Cureus EPOS 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 BAP1 INACTIVATED MELANOCYTIC TUMORS RARE CASES WITH METASTATIC POTENTIAL: While BAP1 inactivated melanocytic tumors are generally considered low risk lesions with predominantly benign behavior, emerging evidence suggests that this assumption may Pathology Outlines Metastatic melanoma