PLIN2 and melanoma: Immunohistochemistry markers were positive for melanoma antigen recognized by T-cells 1, SRY-box transcription factor 10, and preferentially expressed antigen in melanoma and negative for Ber-EP4 (epithelial cell adhesion molecule), p40 (a marker for SCC), insulinoma-associated protein 1, and adipophilin (a lipid droplet-associated protein) (Figures 3, 4).