Mostly it is invasive carcinoma.
If not clear, stain AE1/AE3 to confirm epithelial cells
Stain myoepithelial marker to confirm negative for myoepithelial cells
Stain e-cadherin to see it is ductal or lobular tumor
Mostly it is invasive carcinoma.
If not clear, stain AE1/AE3 to confirm epithelial cells
Stain myoepithelial marker to confirm negative for myoepithelial cells
Stain e-cadherin to see it is ductal or lobular tumor