Image challenge in Veterinary Pathology

Image 1.

Horse. Cause?

a) Anoplocephaloides mamillana

Image 2.

Goat, abomasum. Clinical pathology findings?

a) Hypergammaglobulinemia and pancytopenia

Image 3.

Dog, jejunum. Diagnosis?

a) Intestinal mast cell tumor

Image 4.

Sheep, intestine. Diagnosis?

a) Small intestinal adenocarcinoma

Answers are provided as Veterinary Pathology 62(2): 260–261