lecture 4 exam 1

Question 1

What is the difference between a description and the MDx?

Answer 1

Description is facts that can’t be contested

MDx is an interpretation of the facts

Question 2

Answer 2

Question 3

What is teh location of this lesion

Answer 3

in the hillus of the kidney

Question 4

What is the distribution?

Answer 4

diffuse

Question 5

What is the distribution

Answer 5

multifocal

Question 6

Describe the distribution

Answer 6

multifocal

Question 7

Describe the distribution

Answer 7

locally extensive

Question 8

Describe the distribution

Answer 8

multi focal coalescing

Question 9

Describe the distribution

Answer 9

diffuse

Question 10

Describe the distribution

Answer 10

miliary

Question 11

Describe the distribution and what does that indicate as a possible route of administration?

Answer 11

multifocal

possembolic or hematogenous route

Question 12

Describe the distribution and what does that indicate as a possible route of administration?

Answer 12

locally extensive

local introduction via penetrating wound or anatomic pathway

Question 13

Describe the distribution and what does that indicate as a possible route of administration?

Answer 13

asymetrical

(if symetrical then it would point to a metabolic/systemic route of administration)

Question 14

Describe the shape and what does that indicate as a possible route of administration?

Answer 14

straight lines

the lesion is following an anatomic structure (blood vessel, bronchiole, nerve etc…)

Question 15

Describe the shape and what does that indicate as a possible route of administration?

Answer 15

geometric

diamond/ circular

– the lesion involves vasculature

Question 16

Describe the shape and what does that indicate as a possible route of administration?

Answer 16

Raised – something has been added (edema, blood, inflammatory cells, neoplastic/hyperplastic cells) • Depressed – something has been lost (necrosis) or the tissue has contracted (connective tissue)

Question 17

Question 18

What do the different colors tell you?

Answer 18

Question 19

When referring to consistency of lesions if you can spread it with a knife what disease process does this allude to?

Answer 19

necrosis/exudate

Question 20

When referring to consistency of lesions if you can’t spread it with a knife what does this allude to?

Answer 20

viable tissues or cells

Question 21

gritty material

Answer 21

minerals

Question 22

When referring to margins of a lesion a well demarcated what does that allude to?

Answer 22

that it is a different type of tissue

Question 23

define infarct

Answer 23

local area where the blood supply has been cut off

Question 24

A poorly demarcaated lesion or a lesion with similar lookingtissue to the adjacent organ alludes to what type of disease process

Answer 24

gradual infiltration/ poorly contained

Question 25

Features of an Morphological Dx?

Answer 25

Question 26

Describe the lesion in the heart of this cow

Answer 26

Diffusely pericardium/epicardium is thickened at least 5x its normal thickness is about 1cm white firm tissue on surface of the pericardium. Saggy villus-like/tag-like white fibrular to firm tissue

Question 27

What is the morphological dx

Answer 27

Heart – pericarditis, suppurative, diffuse, chronic, severe

Question 28

What is the cause of this lesion?

Answer 28

various bacteria

Question 29

What is the disease name of this lesion

Answer 29

hardware disease

Question 30

What is the cause of this lesion

Answer 30

poxvirus

Question 31

What is the Etiologic dx?

Answer 31

poxviral dermatitis

Question 32

Describe the lesion

Answer 32

Diffusely tricuspid valve thickened/nodular up to 8-10x normal thickness. Nodules up to 1 cm in size. Mottled red/tan. Friable soft rough shaggy surface

Question 33

What is the MDx?

Answer 33

Heart – Valvular endocarditis, diffuse, chronic, severe

Question 34

What is teh EDx

Answer 34

EtDx: Bacterial endocarditis

Question 35

Define the lesion

Answer 35

Multifocal coalescing circular nodular, linear

Question 36

True or false EDx: Kidney – Nephritis, chronic, multifocal, severe

Answer 36

false

Question 37

The MDx of this lesion in the mesentary of a horse's small intestine is lipoma. What is the EDx of this neoplasm?

Answer 37

typically don't need an EDx

Question 38

This is an example of a lesion found in the thorax of a dog, what is the one word MDx?

Answer 38

hemothorax defined as acute hemorrhage in the pleural cavity

Question 39

What is the Mdx, Edx, and Disease name? Lesion in the liver of a cow

Answer 39

MDx: Liver – hepatic necrosis, focal, subacute, severe EtDx: Clostridial hepatic necrosis Disease name: Black disease

Question 40

Lungs (of cow) – pulmonary melanosis, focal, mild What type of Dx is this?

Answer 40

MDx

Question 41

What is the Mdx of the lesions on this spleen?

Answer 41

lymphoid hyperplasia