Chasing shadows: A series of tumoral melanosis mimicking melanoma JAAD Case Reports Pathology Outlines Mucosal melanoma (genital, oral, sinonasal) Pathology Outlines Common acquired nevus Pathology Outlines Nodular melanoma 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