The page below is a sample from the LabCE course Theoretical and Practical Aspects of Routine H&E Staining. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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These two images show breast tissue.

Numerous nuclei line the ductal formations formed by this cancer.

The interlacing fibrous tissue between the ducts is staining varying shades of pink with the eosin.

The large white empty spaces are adipose tissue.

There are a few clusters of red blood cells on the periphery.

The second image shows the ducts at a higher magnification; the nuclear detail is well demonstrated as is the pale cytoplasm of the neoplasm.