Image challenge in Veterinary Pathology

Image 1.

Rhesus macaque, ovary. Diagnosis?

A. Endometriosis “chocolate cyst”

Image 2.

Dog, uterus. Diagnosis?

A. Adenocarcinoma

Image 3.

Cow, vulva. Predisposing factor?

A. Bovine papillomavirus infection

Image 4.

Cow. Diagnosis?

A. Infectious pustular vulvovaginitis

Image 5.

Cow, Ovary. Diagnosis?

A. Ovarian adenocarcinoma

Image 6.

Cat, epididymis. Primary vector of this disease?

A. Amblyomma americanum

Answers are provided in Veterinary Pathology 61(4): 679–681