Under-recognized immunoexpression of "neuroendocrine markers" and "myoepithelial markers" in basal cell carcinomas: Does it indicate true neuroendocrine and myoepithelial differentiation?

Under-recognized immunoexpression of "neuroendocrine markers" and "myoepithelial markers" in basal cell carcinomas: Does it indicate true neuroendocrine and myoepithelial differentiation?