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  Indian J Med Microbiol
 

Figure 3: Immunohistochemistry panel for oral mucosal melanoma: Positivity for S-100 and strong positivity of spindle-shaped tumour cells in the connective tissue stroma for vimentin (×40, streptavidin-biotin-peroxidase), negativity for pan CK, P 63, Melan A seen in the spindle-shaped tumour cells (×10, streptavidin-biotin-peroxidase). Pan CK positivity noted in the superficial oral epithelium and melanin pigment seen in all sections

Figure 3: Immunohistochemistry panel for oral mucosal melanoma: Positivity for S-100 and strong positivity of spindle-shaped tumour cells in the connective tissue stroma for vimentin (×40, streptavidin-biotin-peroxidase), negativity for pan CK, P 63, Melan A seen in the spindle-shaped tumour cells (×10, streptavidin-biotin-peroxidase). Pan CK positivity noted in the superficial oral epithelium and melanin pigment seen in all sections