Figure 2

Immunohistochemistry of the liver. S-100 antibody stains malignant melanocytes with a brown chromogen (diaminobenzidine). Rare negative cells (blue due to hematoxylin counterstaining) are intact hepatocytes.
Immunohistochemistry of the liver. S-100 antibody stains malignant melanocytes with a brown chromogen (diaminobenzidine). Rare negative cells (blue due to hematoxylin counterstaining) are intact hepatocytes.