Figure 1. 

A 2-year-old Longhorn cow, in Texas, presented with a 2-month history of proliferative skin disease starting in late June, characterized by multifocal to coalescing areas of hyperkeratosis throughout the haircoat, but most severe along the topline. She had been treated with dilute betadine scrubs and sprays with no resolution of clinical symptoms. Punch biopsies from areas on the topline were submitted for histological evaluation.


 

FIGURES

Figure 2. 

Figure 3. 

Figure 4. Haired skin; H&E 2x magnification; Scale bar=500µm.

Figure 5. Haired skin; H&E 20x magnification; Scale bar=50µm.

 

Figure 6. Haired skin; H&E 10x magnification; Scale bar=100µm.

 

Figure 7. Haired skin; H&E 60x magnification; Scale bar=20µm.

 

 
Figure 8. Haired skin; Gram Hucker-Twort stain 60x magnification; Scale bar=20µm.
 
 
 
Figure 9. Haired skin; GMS stain 60x magnification; Scale bar=20µm.
 
 
Figure 10. Haired skin; Giemsa stain 60x magnification; Scale bar=20µm.