How Did Gavin Creel Die? What To Know About Rare Type of Sarcoma Metastatic Melanoma of the Gallbladder ACS Brain metastases as primary manifestation of a melanocytic malignant peripheral nerve sheath tumor in a 60 year old man BMC Neurology Springer Nature Link 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 Oncology Letters New Research Helps Identify Uveal Melanomas Most Likely to Spread to the Liver