Review: Pathology

Question 1

Adventitious Placentation:

Answer 1

In the cow
Intercotyledonary placentation due to damage to caruncles.
Can cause hydrops allantois

Question 2

Pathologic features of toxoplasmosis in sheep

Answer 2

Cotyledonary Necrosis- Pepperoni Pizza

Question 3

How does mycotic placentitis usually occur?

Answer 3

Typically hematogenous spread from rumen or lung

Question 4

Leydig cell tumor characteristics:

Answer 4

Well demarcated, yellow/tan homogenous, +/- hemorrhagic cavitated center

Question 5

Srtoli cell tumor characteristics:

Answer 5

Multilobular, firm, grey/tan

Question 6

Seminoma characteristic:

Answer 6

Soft, grey/white, nodular->diffuse
Look like lymphoma

Question 7

Canine Prostatic carcinoma characterisitics:

Answer 7

High malignant potential
Local invasion
Metastasize by first going to sublumbar LN and then widespread

Question 8

Equine squamous cell carcinoma of the penis characteristics:

Answer 8

Firm, multilobular, locally invasive
Related to equine papillovirus 2

Question 9

Unique factor of canine transmissible venereal tumor:

Answer 9

Karyotype does not match canine cells
Chromosome # do not match