Image Challenge in Veterinary Pathology

Answers provided as Veterinary Pathology 56(5): page 808–809.

Image 1.

Horse. Diagnosis?

Normal corpora nigra

Image 2.

Dog, Border Collie. Diagnosis?

Retinoblastoma

Image 3.

Horse. Amyloid-like material is typically deposited on the:

Trabecular meshwork

Image 4.

White-tailed deer fawn. Risk factor?

Summer season