Case Study Unit 4

This first histo image is the mediastinal mass. What kind of cells are these?

• Mast cells

• Lymphocytes

• Macrophages

• Neutrophils

Why do you think the liver and spleen were so enlarged?

The _________ is effaced by neoplastic lymphocytes.

The first histo image is of the esophageal mass. What kind of cells are these?

• Squamous epithelium

• Respiratory epithelium

• Transitional epithelium

• Collagenous epithelium

These are metastatic nodules in the lungs. Notice the dense collagenous bands dissecting through the neoplastic population. What is this robust fibrous stroma commonly seen with carcinomas called?

The second histo image is a close up of one of the masses. What kind of cells are these?

• Myofiber

• Fibroblasts

• Adipose

• Endothelial

Why do you think this dog was icteric? (Hint: think back to Unit 1 Hemodynamics)