Malignant melanotic nerve sheath tumors in the spinal canal of psammomatous and non psammomatous type: Two case reports Diffuse cutaneous melanosis: rare complication of metastatic melanoma * ScienceOpen Eruptive Melanocytic Nevi Secondary to Encorafenib for BRAF Mutant Metastatic Colorectal Cancer In Vivo After the immune system destroys melanoma tumors, visible melanin can be left behind. We tracked tumoral melanosis in a case series of patients on immunotherapy and offer suggestions for how to monitor