Exam 1: Images and questions from MDx practice

Question 1

Give an MDx for this image:

Answer 1

multifocal acute moderate encephalomalacia

Question 2

If the necrosis is only in the white matter area, which term should be used?

Answer 2

leukoencephalomalacia

Question 3

Give the distribution for these lymph nodes from a sheep

Answer 3

multifocal to coalescing

Question 4

Give the EDx for this image of lymph nodes from a sheep

Answer 4

Corynebacterial lymphadenitis

Question 5

What pattern of necrosis is represented on these lymph nodes?

Answer 5

caseous

Question 6

Give the MDx for this tissue from a horse

Answer 6

locally extensive, acute medullary necrosis

Question 7

Give the EDx for this tissue from a Horse

Answer 7

Drug induced nephritis

Question 8

What type of necrosis is in the affected area?

Answer 8

Coagulative

Question 9

The etiology of this tissue from a Turkey is Histomonas meleagridis. Give the MDx

Answer 9

multifocal to coalescing, severe, necrotizing hepatitis

Question 10

The etiology is Histomonas meleagridis. Give the EDx

Answer 10

Histomonal hepatitis or protozoal hepatitis

Question 11

What pattern of necrosis is represented on these sites?

Answer 11

coagulative