Pathology Outlines Metastatic melanoma Diffuse cutaneous melanosis: rare complication of metastatic melanoma * ScienceOpen Melanotic schwannoma mimicking metastatic pigmented melanoma: a pitfall in cytological diagnosis 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 Radiology Reference Article Radiopaedia.org