Disease Images: Malignant Catarrhal Fever

Description:
Bovine, muzzle. Multiple shallow erosions are filled with dried nasal exudate.

Description:
Bovine, muzzle. The muzzle is hyperemic, multifocally covered by adherent mucopurulent exudate, and contains many shallow erosions.

Description:
Bovine, muzzle. There is diffuse superficial necrosis of the muzzle.

Description:
Bovine, oral mucosa. There is a gingival hyperemia and focal erosion.

Description:
Bovine, hard palate. There are multiple coalescing mucosal erosions.

Description:
Bovine, skin. There are numerous raised plaques (multifocal dermatitis).

Description:
Bovine, head, sagittal section. Mucoid exudate multifocally covers the nasal and pharyngeal mucosa.

Description:
Bovine, nasal turbinate. There is a small amount of mucoid exudate.

Description:
Bovine, prescapular lymph nodes: Moderately (left) to markedly enlarged (right) due to MCF.

Description:
Bovine, prescapular lymph node. There are foci of hemorrhage (and necrosis) in the cortex, and the medulla is edematous.

Description:
Bovine, prescapular lymph node. There are foci of hemorrhage (and necrosis) in the cortex, and the medulla is edematous.

Description:
Bovine, omasum. Omasal leaves contain multiple pale foci of necrosis; on the right there are several ulcers.

Description:
Bovine, cecum and ileum. There are scattered small foci of mucosal hemorrhage and erosion.

Description:
Bovine, spiral colon. There are multiple mucosal hemorrhages.

Description:
Bovine, colon. There is severe longitudinal linear congestion of the mucosa.

Description:
Bovine, kidney. Multiple pale foci in the cortex are foci of institial nephritis.

Description:
Bovine, urinary bladder. The mucosal surface contains several small erosions and one large hemorrhagic ulcer.