Pathology Outlines Pigmented lesions vulva Pathology Outlines Mucosal melanoma (genital, oral, sinonasal) 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 Pathology Outlines Pigmented epithelioid melanocytoma Pathology Outlines Common acquired nevus