Tags: Disease.
Polypoid melanoma is a rare cutaneous condition a virulent variant of nodular melanoma.Polypoid melanoma is a subtype of nodular melanoma the most aggressive form of melanoma (a skin cancer).Polypoid melanoma like all types of melanoma starts in the cells that make melanin which is the protective pigment that gives skin color. Polypoid melanoma is most commonly found on the torso but may be found in unexpected places like the nasal mucous membranes and the rectum.