Myoepithelial cells
(Alpha Smooth Muscle Actin)

myoepithelial cells are stained red (αsm actin) and nuclei are stained blue (hematoxylin). Click on any image to enlarge.
 
asm actin tumor lp.JPG (57533 bytes)

mammary adenocarcinoma, formalin fixed
(low power)

  asm actin tumor hp.JPG (40764 bytes)

mammary adenocarcinoma, formalin fixed
(high power)

 

asm actin normal lp.JPG (41579 bytes)

Normal mammary tissue, methacarn fixed
(low power)

  asm actin normal hp.JPG (45729 bytes)

Normal mammary tissue, methacarn fixed
(high power)

Colorado State University CHOICE BreastWatch