Pigmented Lesions of the Oral Mucosa Pocket Dentistry 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 Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review Pathology Outlines Mucosal melanoma (genital, oral, sinonasal) Photomicrographs showing infiltration of malignant melanocytes into the Download Scientific Diagram Unusual variants of malignant melanoma Modern Pathology