Image Challenge in Veterinary Pathology

Image 1.

Horse, pancreas. Possible cause?

A. Eurytrema pancreaticum

Image 2.

Horse, urinary bladder. Underlying condition?

A. Excessive dietary calcium

Image 3.

Horse, brain. Site of primary lesion?

A. Intestine

Image 4.

Horse, lung. Diagnosis?

A. Multinodular pulmonary fibrosis

Answers are provided as Veterinary Pathology 60(5):714–715.